CNNBC recently reported that the mean annual cost of auto insurance is 1025 dollars. Assume the standard deviation is 264 dollars. You take a simple random sample of 50 auto insurance policies. Find the probability that a single randomly selected value exceeds 975 dollars. P(X > 975) -1 Find the probabiltity that a sample of size n = 50 is randomly selected with a mean that exceeds 975 dollars. P(M > 975)- Enter your answers as numbers accurate to 4 decimal places. Question Help: Message instructor Submit Question

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section: Chapter Questions
Problem 27T
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CNNBC recently reported that the mean annual cost of auto insurance is 1025 dollars. Assume the standard
deviation is 264 dollars. You take a simple random sample of 50 auto insurance polícies.
Find the probability that a single randomly selected value exceeds 975 dollars.
P(X > 975) -|
Find the probabiltity that a sample of size n = 50 is randomly selected with a mean that exceeds 975
dollars.
P(M > 975) =
Enter your answers as numbers accurate to 4 decimal places.
Question Help: Message instructor
Submit Question
Transcribed Image Text:CNNBC recently reported that the mean annual cost of auto insurance is 1025 dollars. Assume the standard deviation is 264 dollars. You take a simple random sample of 50 auto insurance polícies. Find the probability that a single randomly selected value exceeds 975 dollars. P(X > 975) -| Find the probabiltity that a sample of size n = 50 is randomly selected with a mean that exceeds 975 dollars. P(M > 975) = Enter your answers as numbers accurate to 4 decimal places. Question Help: Message instructor Submit Question
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