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AP Stats Midterm Exam Questions with Answers A certain type of remote-control car has a fully charged battery at the time of purchase. The distribution of running times of cars of this type, before they require recharging of the battery for the first time after its period of initial use, is approximately normal with a mean of 80 minutes and a standard deviation of 2.5 minutes. The shaded area in the figure below represents which of the following probabilities? - Answer-A. The probability that t...

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How to describe a 1-variable distribution correct answer: SOCS + context Ways to describe the shape of a distribution (S) correct answer: Symmetric = balanced on both sides of the center Skewed right = tail (part with less stuff) is located to the right of the center Skewed left = tail is located to the left of the center When describing this part of a distribution, always use -ly words in your description (fairly, slightly, strongly, appropriately, etc.) Outlier Formula (3rd Qu...

AP Stats Study Test Questions with Correct Answers The probability of obtaining a head when a certain coin is flipped is about 0.65. Which of the following is closest to the probability that heads would be obtained 15 or fewer times when the coin is flipped 25 times? - Answer-B) 0.37 A study was conducted using data collected on the birth weights of a random sample of 10 pairs of identical - Answer-C) Ho: uD= 0 and Ha: Uf -Us> UD The buyer for an electronics store wants to estimate the...

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AP Stats Midterm Sample Test Study Guide Detailed Questions And Expert Answers