A die is thrown 600 times. These results are obtained.
1 Do the results indicate the die is biased?
2 Justify your answer.
3 Use the data to work out the probability of the die landing on:
a 1, b 3, c 4, d 6
4 If the die were fair how many times would you expect it to land on each
number if it were thrown 600 times?
A die is thrown 600 times and the results are:
1 - 102, 2 - 112, 3 - 181, 4 - 31, 5 - 82, 6 - 921) There is indication of the die being biased.
2) It becomes evident number 3 is landed 181 times and number 4 is landed 31 times, whilst we would expect about 100 outcomes for each number.
3) Probabilities
probability = favorable outcomes / total outcomesa) P(1) = 102/600 = 0.17 or 17%b) P(3) = 181/600 = 0.30 or ~ 30%c) P(4) = 31/600 = 0.05 or ~ 5%d) P(6) = 92/600 = 0.1533 or ~ 15%4) The theoretical probability is same for each number:
P = 1/6*600 = 100 timesWhich expression is equivalent to |8|+|-7|?
Answer: 15
Step-by-step explanation:
|8|+|-7|=
8+7=15 ==> anything inside the absolute value symbol is always positive.
Answer: 8+7
The | | symbol means how far it is from 0 on the number line. -7 is still only 7 away from 0. Now, if you have -|8|, you apply that - to the 8, so then it's -8.
Nicole buys ice cream and lemons at the store. She pays a total of $18.80. She pays $2.52 for the ice cream. She buys 4 bags of lemons that each cost the same amount. Which equation could be used to determine x x, how much each bag of lemons costs?
The equation that could be used to determine the cost of each bag of lemons is $2.52 + 4x = $18.80
Writing an equation
From the question, we are to determine the equation which could be used to determine, x, the cost of each bag of lemons
From the given information,
"She pays a total of $18.80 and she pays $2.52 for the ice cream"
Also,
"She buys 4 bags of lemons"
Then,
we can write that
$2.52 + 4x = $18.80
Hence, the equation that could be used to determine the cost of each bag of lemons is $2.52 + 4x = $18.80
Learn more on Writing an equation here: https://brainly.com/question/24368895
#SPJ1
i’ve been struggling on this question m
Answer:
the answer is A r + s have a nice day
DOES ANYBODY KNOW WHAT THE ANSWER IS HELP ME ASAPPP
Hence , the value of the length of the AB is seven.
The term collinear is that the combined word of 2 Latin names ‘col’ + ‘linear’. ‘Col’ suggests that along and ‘Linear; suggests that line. Therefore, linear points mean points along in an exceedingly single line.The points that lie on constant line area unit collinear points.It is given that B is between A and C which means that A , B , C are collinear points and can be represented as
AB + BC = AB
x + 4 + 2x - 2 = 4x - 1
3x + 2 = 4x - 1
3 = x
AB = x + 4
= 3 + 4 = 7
Learn more about collinearity here :
https://brainly.com/question/3307641
#SPJ9
Question 1 of 10
What is the approximate distance between the points (-3,-4) and (-8, 1) on a
coordinate grid?
O A. 11.40 units
OB. 12.08 units
O C. 7.07 units
D. 3.16 units
Answer:
Step-by-step explanation:
Answer:
the approximate distance between the points is
√25+25 = 5√2
=7.07
Step-by-step explanation:
89% means 89 out of?
Answer:
100
Step-by-step explanation:
Answer:
100
Step-by-step explanation:
you run for 6 miles per hour for 27 minutes how far did u run
Answer:
If you ran for 27 minutes at 6 miles per hour, you would have run 2.7 miles.
Step-by-step explanation:
The Step-by-step explanation is, 6 miles per hour = 1 mile per 10 minutes. Therefore in 27 minutes, you would have run 2.7 miles (27 minutes / 10 minutes = 2.7 miles).
lMary wants apple pls help x^2=11
Answer:
Whats the question?
Step-by-step explanation:
PLEASE HELP I WILL GIVE YOU 80 AND MARK YOU BRALINEST AND PLEASE IN YOUR OWN WORDS
The number of chaperones at a school field trip must be the
number of students attending, plus the 2 teacher sponsors. Write
a rule for the number of chaperones that must be on the trip.
Write ordered pairs to represent the number of chaperones that
must attend the trip when there are 120, 150, 200, and 210 students.
Answer:
(120,122), (150,152), (200,202), (210,212)
Step-by-step explanation:
just add two to the number of students
Solve for x.
x + 0.60(15) = 0.80(x + 15)
Answer:
15
Step-by-step explanation:
x + 0.60(15) = 0.80(x + 15)
x+9=0.8(x+15)
x+9=4(x+15/5)
x+9=4x+60/5
x+9-9=4x+60/5-9
x=15
In 2016, 595,700 Americans died of (all forms of) cancer.
Assuming a population of 321 million, what was the mortality
rate in units of deaths per 100,000 people?
The mortality rate will be 180 per 100000 people.
How to calculate the value?From the information, 595,700 Americans died of (all forms of) cancer and there is a population of 321 million.
Therefore the mortality rate will be:
= 595700 / 321 million
= 0.0018
Therefore the mortality rate will be 180 per 100000 people.
Learn more about mortality on:
brainly.com/question/26105007
#SPJ1
i need to type in two answers! the value and measure pls!!!!
After a rotation of 90° about the origin, the coordinates of the vertices of the image of a triangle are A'(6, 3), B'(-2, 1),
and C(1, 7). What are the coordinates of the vertices of the pre-image?
B
C
Intro
n
Done
The coordinates of the vertices of the pre-image are A (3, -6), B(1, 2), C (7, -1).
According to the statement
We have to find that the coordinates of the points in the pre-image..
So, For this purpose, we know that the
Coordinates are a set of values which helps to show the exact position of a point in the coordinate plane.
From the given information:
After a rotation of 90° about the origin, the coordinates of the vertices of the image of a triangle are A'(6, 3), B'(-2, 1),and C(1, 7).
Then
We need to search out the coordinates of the pre-image A, B and C.
The rule for rotation of 90° about the origin is (x,y) ---> (-y,x).
But we want to seek out the coordinates of the vertices of the pre-image.
So, we'd like to use rule (-y,x) ---->(x,y).
Applying rule,
A'(6, 3) -----> A (3, -6)
B'(–2, 1) -----> B(1, 2)
C'(1,7) -----> C (7, -1).
Therefore, The coordinates of the vertices of the pre-image are A (3, -6), B(1, 2), C (7, -1).
Learn more about Coordinates here
https://brainly.com/question/7243416
#SPJ9
Name the property of 94+7=7+94
Answer:
commutative property of addition
Step-by-step explanation:
the commutative property is when you switch the order of numbers in an addition or multiplication operation
14.
Calculate the voltage at point A
in this circuit.
A-
1V-
0.2mA
56ΚΩ
Ralph wants to join a travel soccer team, a discretionary expense.
His parents tell him he must get a job to earn the money to cover the costs. Ralph now views this discretionary expense as an essential expense since he must pay his parents back. The costs of the travel team are listed below.
Uniform - $67.00
Registration - $50.00
Tournaments -$775.00
Travel - $300.00
a. Find the total cost of being on the team.
b. If Ralph takes a summer job and works 10 weeks over the summer, how much must he average each week to cover the travel team expenses?
c. If Ralph is paid at a flat rate of exactly q dollars each week, what is the standard deviation of the distribution of his 10 weekly paychecks?
a) The total cost of being on the team is; $1192
b) Ralph average cost is; $119.20
c) The standard deviation of the distribution of his 10 weekly paychecks is; $0
What is the Total Cost?
We are given the costs of the travel team as listed below;
Uniform - $67.00
Registration - $50.00
Tournaments -$775.00
Travel - $300.00
a) To find the total cost of being on the team, we will simply add all the individual costs as given to get;
Total Cost = 67 + 50 + 775 + 300
Total Cost = $1192
b) If Ralph takes a summer job and works 10 weeks over the summer, then his average cost is;
Average Cost = 1192/10
Average Cost = $119.20
c) If he is paid at a flat rate of exactly q dollars each week, the standard deviation of the distribution of his 10 weekly paychecks is;
$0
Read more about Total Cost at; https://brainly.com/question/25109150
#SPJ1
Answer:
Step-by-step explanation:
first one is wrong and I don’t know the answer yet
Un celular costó $2,500 y se vendió en $3,150. ¿Cuánto se obtuvo de ganancia por cada cien
pesos?
The profit for hundred cell phone is $65000
The cost of a cell phone is $2500
and sold for $3150
The selling price of a cell phone is $3150 and
The cost price of a cell phone is $2500.
What is Profit and Loss in mathematical term?To ascertain a commodity's market price and assess a business's profitability, mathematicians utilize the profit and loss formula. The cost price and the selling price of every thing are different. We are able to determine a product's profit or loss based on the values of these prices.
Step-by-step explanation:
Profit = Selling price - Cost price
Profit = $3150 - $2500
Profit = $650
The profit for one cell phone is $650
We have to find the profit for hundred cell phone
$650 × 100 = $65000
The profit for hundred cell phone is $65000.
To know more about Profit and Loss, visit:https://brainly.com/question/28433162
#SPJ9
In English language this question is "A cell phone cost $2,500 and sold for $3,150. How much profit was made for every hundred pesos?".
Please beo I will give brainliest to you
Reggie has a piece of lumber that is 9 feet long.he needs to cut is into .75 foot sections.how many pieces will he have after he makes his cuts?(step by step)ik that it is 12 but I don't get how
Answer: so you would do 9÷ .75 which gives you 12.
Step-by-step explanation: 12 Step-by-step explanation:so you would do 9÷ .75
Which expression is equivalent to (2x − 1)(4x + 3) − (9x + 1)(2x − 1)?
The given expression (2x − 1)(4x + 3) − (9x + 1)(2x − 1) is equivalent to -10x^2 + 9x - 2, that is, option b.
If terms of the form (a + b) and (a + c) are to be multiplied, then each number or variable in the 1st term is multiplied by every variable in the 2nd term. Thus, (a + b)(a + c) = a^2 + ac + ab + bc.
Here, we are given an expression (2x − 1)(4x + 3) − (9x + 1)(2x − 1)
let us simplify the given expression-
[2x(4x) + 3(2x) -4x - 3] - [9x(2x) -9x + 2x -1)]
8x^2 + 6x - 4x - 3 - (18x^2 -9x + 2x -1)
8x^2 + 2x - 3 - 18x^2 +7x +1
8x^2 -18x^2 + 2x +7x -3 +1
-10x^2 + 9x - 2
Thus, option b is the correct answer.
Learn more about equations here-
https://brainly.com/question/2972832
#SPJ9
Your answer was incomplete. Check for the complete content below-
Which expression is equivalent to (2x − 1)(4x + 3) − (9x + 1)(2x − 1)?
a. 10x^2 + 9x - 2
b. -10x^2 + 9x - 2
c. 10x^2 - 9x + 2
d. -10x^2 + 9x - 8
A teacher asks students to place tiles on the classroom wall to show the alphabet. The tiles will each have one letter or be blank. Each letter will have only one tile. The list shows the teachers rules for the arrangement of tiles.
• How many columns of tiles will there be?
• How many blank tiles will be used?
• What multiplication fact helped you solve the problem?
1. They must form a rectangle.
2. The rectangle must have 4 rows.
3. The rectangle must have the least possible number of columns.
The least possible number of columns is 7
2 blank tiles is will be used
Yes using multiplication facts the question can be solved.
Given data
Alphabet arrangement on tiles
The rules for arrangement of the alphabets
1. They must form a rectangle.
2. The rectangle must have 4 rows.
3. The rectangle must have the least possible number of columns.
How to find the column of tiles the arrangement will havenumber of alphabets = 26
let the row represent the width of the rectangle, so that the rectangle has 4 rows.
The length will be
length * width = 26
length = 26 / width
length = 26 / 4
length = 6.5 ≅ 7
Hence the least possible number of columns is 7
How to find the number of blank tiles used
26 / 4 gives 6 remainder 2 hence it requires 2 more tiles to make it up a rectangle of 7 columns.
The remaining part is filled with blank tiles therefore 2 blank tiles is used
How to solve the problem with multiplication factUsing multiplication we solve the problem as thus:
let the number of column be x such that
4 * x = 26
x = 26 / 4
so we use blank tiles to make the equation divisible by 4 without remainder.
using mental math: 28 / 4 = 7
therefore 2 blank tiles were added and the minimum number if rows is 7
Yes using multiplication facts the question can be solved.
Read more on areas of rectangles here: https://brainly.com/question/2607596
#SPJ1
a) Find the difference between 8.72 and 0.872.
Answer:
8.72 in fraction is 872/100 so this one is in the hundereds
0.827 in fraction is 872/1000 and this one is in the thousands
Write fourteen and five hundred sixty-one thousandths as a decimal number.
Answer:14.0561
Explanation: One hundred thousandths is 0.01, So Five hundred sixty-one thousandths is 0.0561
2 Write 386 in expanded form
Answer:
300+ 80+6
Step-by-step explanation:
i think i not sure
Estimate. 51.68 + 33.1 Need help asap
MP MODELING REAL LIFE The height of the house is
26 feet. What is the height x of each story?
Answer:
Step-by-step explanation:
14feet
12. CONCERT A concert venue surveyed
680 concert attendees about the concession
stand. Of those that visited the concession
stand, 527 said the concession stand prices
are excessive, and the remaining 44 did not.
Write an equation to find the number of
attendees a who did not visit the concession
stand. (Lesson 1-1)
Solving a linear equation, we will see that 109 attendees did not visit the concession stand.
How to find the number of attendees who did not visit the concession stand?
First, we know that the total number of surveyed people is 680.
Of these 680, we know that:
527 said that the concession stand prices are excessive.44 said that the concession stand prices are not excessive.x did not visit the concession stand.Now, the 3 numbers above should add up to the total number of surveyed people.
527 + 44 + x = 680
Solving that linear equation for x:
x = 680 - 527 - 44 = 109
We conclude that the number of attendees who did not visit the concession stand is 109.
There are 24 children in a kindergarten class. Three quarters of them can already write the whole alphabet. How many children can write the alphabet?
Answer:
18
Step-by-step explanation:
24/4=6
6 times 3 is 18
Hope It Helps
Sorry If I'm Wrong