AP Stats Study Test Questions with Correct Answers
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AP Stats
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
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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 proportion of defective wireless
game controllers in a shipment of 5000 controllers - Answer-E) cluster random sample
A distribution of test scores is not symmetric. Which of the following is the best estimate
of the z-score of the third quartile? - Answer-E) this z-score cannot be estimated from
the information given
Sophomore, juniors, and senior students at a high school will be surveyed - Answer-C)
4
A certain type of remote control car has a fully charged battery at the time of purchase -
Answer-A) the probability that the running time of a randomly selected car of this type,
before it requires recharging of the battery for the first time after its period of initial use,
is between 75 minutes and 82.5 minutes.
Which of the following scatterplots could represent a data set with a correlation
coefficient of r= -1? - Answer-A) linear, negative association
Publishers of a magazine wish to determine what proportion of the magazines 50,000
subscribers are pleased with their subscription - Answer-C) Mail surveys to 1,000
subscribers randomly selected from all subscribers.
An environmental scientist wanted to test the null hypothesis that an antipollution device
for cars is not effective. - Answer-A) the scientist concludes that the antipollution device
is effective when it actually is not.
A data set of test scores is being transformed by applying the following rule to each of
the raw scores. Which of the following is not true - Answer-C) the range of transformed
scores equals 3.5 ( the range of the raw scores) + 6.2
A random sample of 25 households from the Mountainview School District was
surveyed. In this survey, data were collected on the age of the - Answer-D) 8 years old
to less than 10 years old
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