Answer:
KGHKWGJRWGJHWG
Step-by-step explanation:
A teacher initially plans to take an SRS of size 50 from his large high school and calculate the sample mean x bar of student GPAs. Later, the teacher decides to increase the sample size so that the standard deviation of the sampling distribution of x bar will be half as big as when using a sample size of 50. What sample size should the teacher use?
57
100
150
200
354
Answer:
should be 200 because I think you quadrupole it and 50 x 4 =200
Step-by-step explanation:
Answer:
The answer is 200. 50 * 4 = 200.
Find the area of this composite figure.
Answer:
Step-by-step explanation:
Answer: 40
Step-by-step explanation:
Area of a rectangle: Area = Length x Width
Have to look at it in two different rectangles and add up the areas.
• 8 x 4 = 32
• 2 x 4 = 8
• 32 + 8 = 40
• Area of the figure is 40!
Dont need to show work
Answer:
100 degrees
Step-by-step explanation:
They have to add up to 180 because they're on a straight line together.
180 - 80 = 100 degrees
What is the vertex of the parabola represented by y = -12 + 6x - 5?
A. (6,-5)
B. (-3,-4)
C. (3,4)
D. (1,5)
E. (5,1)
Help me with this problem
Answer: x=60
Step-by-step explanation:
Hey! X would be 60 because the diagram on the left has proportions of 6/6. The diagram on the right has a porportion of x/60. We want the proportions to be equal so it has to be 60!
6/6 = 1
60/60 = 1 (they are now equal and have equal proportions!)
An older person is 8 yes older than seven times the age of a younger person. The sum of their ages is 32. What are their ages?
Dan has twice as many stickers as Cam does. If Dan gives Cam 15 of his stickers he will still have 22 more than Cam. How many stickers does each boy have?
Please help asap!! I will mark you as brainliest. :)
SOMEONE PLEASE HELP ME!!!!!! I RLLY NEED THE ANSWER TO THIS!!!
The Pythagorean Theorem states that a² + b² = c?, where a and b are legs of a
right triangle and c is the hypotenuse. Are you able to simplify the Pythagorean
Theorem further to say that a + b = c? Explain.
Answer:
yes, you can square root to entire equation to get to a+b=c, the square root cancels out the 2
Step-by-step explanation:
mrs. rodrigues wants to compare the spread of the test scores of her two biology classes. which statistic should she use? (multiple choice)
a.) mean
b.) standard deviation
c.) median
d.) mode
if anybody can help me with this, thank you so much! i'm trying to pass a pre-test on e.d.g.e.n.u.i.t.y :( if you know the answer, please explain instead of just giving me the answer alone. thank you! <3
Mrs. Rodrigues should use Standard deviation.
The correct option is b.
What is a standard deviation?The square root of the variance is used to calculate the standard deviation, a statistic that expresses how widely distributed a dataset is in relation to its mean.
Given:
Mrs. Rodrigues wants to compare the spread of the test scores of her two biology classes.
From the given choices:
The measures of spread include:
Range, quartiles, interquartile range, variance and standard deviation.
Standard deviation is the appropriate choice.
Therefore, standard deviation is the correct phrase.
To learn more about the standard deviation;
brainly.com/question/23907081
#SPJ6
SOMEONE PLEASE HELP ME WITH THIS QUESTION!
Answer:
i dont know but i have a pic for u
Step-by-step explanation:
Can someone please help me
Answer:
131.88cm
Step-by-step explanation:
Implement the formula for circumference of a circle:
2×pi(3.14)×r, r= 21cm and pi is given as 3.14. Substitute your given values into the formula above:
2 × 3.14 × 21= 131.88cm to the nearest hundreth
Write an equation in slope intercept form for the graph of the line.
What is bc divided by 2?
(Algebra)
the doctor recommended that matt decrease the number of calories he consumed from 2,500 to 1,800. by what percent did the number of calories decrease?
28%
Step-by-step explanation:
1800/2500 = 0.72
0.72 = 72%
100% - 72% = 28%
A store offers 30% off all items. If x is the original purchase price, select all of the expressions which represent the final price with the discount.
a 0.7x
b x
c x + 0.3x
d x - 0.3x
e 12x
Answer:
D c
Step-by-step explanation:
Answer:
D
Step-by-step explanation:
not really an explanation
Expand 3(m + 7). Just answer this
Answer:
3m+21
Step-by-step explanation:
Answer:
3m+21
Step-by-step explanation:
3(m+7)
3m+21
Hope this helps!
I don't know how to explain it but please help!
Answer:
required answer. is 1/x³
2. What is the slope. Make sure you reduce
Answer:-4/5
Step-by-step explanation:
(3,3)
(-2,-1)
Y2-y1/x2-x1
3- (-1)/ -2 -3
4/-5
Answer:
4 over 5 (4/5)
Step-by-step explanation:
Its extremely simple. You need to start from the lower point, and count up until you get to the same lime as the other point. Starting from the lower point, you count up 4 to get on the same line. Then, since its on the right, you count to the right 5, till you get to the dot, and you get 4/5. All you have to do is just count
What is area of figure. The height is 10m base is 25 m
Answer:
If it is a 4-sided figure: 250 m
If it is a triangle: 125 m
Step-by-step explanation:
ABCD is a square.
What is the measure of angle BAC?
Answer:
30 degrees
Step-by-step explanation:
I think that every corner is a 90 degree angle so 90/2 is 30
Mario had $35 but then spent $m
Answer:
how much did he spend
Step-by-step explanation:
what is the area of rhombus ABCD
8.5ft and 3.5ft
Answer:
b
Step-by-step explanation:
edmentum
help me plz, I'll mark brainiest
Answer:
1
Step-by-step explanation:
I guess it's the first choice
ABOVE & BEYOND: What is the slope of the line graphed below?
Answer:
3
Step-by-step explanation:
Please answer, I’ve been stuck on this the whole day, so basically I only need the four digit code. You can read the instructions on the paper. Thank you so much if you decide to answer ❤️.
what does it mean to name the parts of an expression?
Answer:
Each expression is made up of terms. A term can be a signed number, a variable, or a constant multiplied by a variable or variables.
Step-by-step explanation:
Answer:
name the expression with terms like variable and constants. variable usually uses a letter like x and variables are just a number.
Step-by-step explanation:
Find the median of the following data: 1, 6, 12, 19, 5, 0, 6
Answer:
8 is the median of the data given
Hope it helps
Dm em if it helps
Help plzzzzz plzzzzzzzzzzzzsszssssszzzDetermine the intercepts of the line.
y-intercept:
x-intercept:
Answer:
Step-by-step explanation:
x intercept: 3.5
y intercept: 2.5
hi!! what’s the area and formula for this problem?
Answer:
formula= [tex]A= \frac{h_{b} b}{2}[/tex] area= 360
Step-by-step explanation:
I hope these are answers for you! I really tried my best!