CNNBC recently reported that the mean annual cost of auto insurance is 1026 dollars. Assume the standard deviation is 281 dollars. You take a simple random sample of 55 auto insurance policies. Assuming the original population forms a bell-shaped distribution, answer the following and round your answers to three decimals. Find the probability that a single randomly selected value exceeds 962 dollars. P(X>962) = Find the probability that a sample of size n = 55 is randomly selected with a mean that exceeds 962 dollars. P(M 962) = Get Help: VIDEO

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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CNNBC recently reported that the mean annual cost of auto insurance is 1026 dollars. Assume the standard
deviation is 281 dollars. You take a simple random sample of 55 auto insurance policies. Assuming the original
population forms a bell-shaped distribution, answer the following and round your answers to three decimals.
Find the probability that a single randomly selected value exceeds 962 dollars.
P(X 962) =
Find the probability that a sample of size n = 55 is randomly selected with a mean that exceeds 962 dollars.
P(M>962) =
Get Help:
VIDEO
Transcribed Image Text:CNNBC recently reported that the mean annual cost of auto insurance is 1026 dollars. Assume the standard deviation is 281 dollars. You take a simple random sample of 55 auto insurance policies. Assuming the original population forms a bell-shaped distribution, answer the following and round your answers to three decimals. Find the probability that a single randomly selected value exceeds 962 dollars. P(X 962) = Find the probability that a sample of size n = 55 is randomly selected with a mean that exceeds 962 dollars. P(M>962) = Get Help: VIDEO
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