In the United States, someone is sexually assaulted every two minutes, on average, according to a number of studies. Suppose the standard deviation is 0.5 minutes and the sample size is 100. a. Find the median, the first quartile, and the third quartile for the sample mean time of sexual assaults in the United States. b. Find the median, the first quartile, and the third quartile for the sum of sample times of sexual assaults in the United States. c. Find the probability that a sexual assault occurs on the average between 1.75 and 1.85 minutes.
In the United States, someone is sexually assaulted every two minutes, on average, according to a number of studies. Suppose the standard deviation is 0.5 minutes and the sample size is 100. a. Find the median, the first quartile, and the third quartile for the sample mean time of sexual assaults in the United States. b. Find the median, the first quartile, and the third quartile for the sum of sample times of sexual assaults in the United States. c. Find the probability that a sexual assault occurs on the average between 1.75 and 1.85 minutes.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Transcribed Image Text:In the United States, someone is sexually assaulted every two minutes, on average, according to a number of
studies. Suppose the standard deviation is 0.5 minutes and the sample size is 100.
a. Find the median, the first quartile, and the third quartile for the sample mean time of sexual assaults in the
United States.
b. Find the median, the first quartile, and the third quartile for the sum of sample times of sexual assaults in the
United States.
c. Find the probability that a sexual assault occurs on the average between 1.75 and 1.85 minutes.
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