The graph shows the cumulative proportion of heads that occur for 100 flips of a coin.
A graph titled flipping a coin has number of trials on the x-axis, and proportion of heads on the y-axis. Data points level out around y = 0.5.
What can we conclude from this graph?
This coin appears to be fair because it appears that the proportion of heads is approximately 0.5.
The probability of obtaining heads cannot be estimated if we observe a regular and predictable pattern over a long series of trials.
This coin appears to be unfair because the proportion of heads fluctuates greatly.
If the coin is not fair, we would expect to see the long-run proportion of heads to approach a value other than 0.5.

Answers

Answer 1

We can conclude that this coin appears to be fair because the proportion of heads levels out around 0.5. The correct option is A.

How to explain the graph

The probability of obtaining heads is approximately 0.5. This is consistent with what we would expect from a fair coin, where the probability of heads and tails are both 0.5. The fact that the data points level out also suggests that the proportion of heads is not fluctuating greatly, which would be an indication of an unfair coin.

Therefore, we can rule out the options that the coin appears to be unfair or that we cannot estimate the probability of obtaining heads. Lastly, the graph confirms that if the coin is not fair, we would expect to see the long-run proportion of heads approach a value other than 0.5, which is not the case here.

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A 1-kilogram rock is dropped from a cliff 90 meters high. After falling 20 meters, the kinetic energy of the rock is approximately

Answers

Answer:

Firstly

using s=ut+1/2at²

20=0×t+1/2×10×t²

or, 20=5×t²

or, t=2secs

using v=u+at

v=0+10×2

therefore velocity at that instant would be 20m/s

so KE=1/2mv²

=1/2×1×20²

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I am not under 13. My little brother accidentally did that. So like can I join? My ago is 18

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Answer:

of course~!!!

Explanation:

write the infinitives for sentences without infinitive right none: Ringo the cat likes to nap indoors every morning

Answers

There is already an infinitive in the sentence: "to nap". The infinitive in this sentence is "to nap".

Define infinitive.

An infinitive is a grammatical term used to describe the basic or root form of a verb. In English, infinitives are usually preceded by the word "to," such as in "to walk," "to eat," "to sing," etc. Infinitives can be used as a noun, adjectives, or adverbs in a sentence, and they can function as the subject, object, complement, or modifiers of a sentence.

The infinitive is a grammatical term that refers to the basic form of a verb, usually preceded by the word "to." In the sentence "Ringo the cat likes to nap indoors every morning," the infinitive is "to nap, "It is the verb's basic form when the preposition "to" is added. The infinitive in this sentence is used to express the action that Ringo the cat enjoys doing, which is taking a nap indoors every morning.

Therefore, "To nap" serves as the sentence's infinitive.

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Mcdougal littell geometry practice workbook answers

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Working with a math instructor or tutor who can walk you Mcdougal content and provide you answers to practise problems is one of the greatest methods to gain assistance. Also, you may engage with other

A publisher of instructional products for pupils of all ages, McDougal creates textbooks and other educational materials. Founded by Houghton Mifflin Harcourt, which purchased McDougal Littell in 2007, the business bears its founder's name.For K–12 education, McDougal provides a comprehensive range of resources, including books, workbooks, teacher resources, and online learning tools. Math, science, social studies, and language arts are all included in its contents. The Geometry series from McDougal is one of the most widely utilised textbook series in American classrooms. The McDougal Littell Geometry textbook offers a thorough and interesting method of studying geometry and is intended to support students in developing strong problem-solving abilities. In general, McDougal is a reputable name in education,

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