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CNBC recently reported that the mean annual cost of auto insurance is $951. Assume the standard deviation is $209. Find the probability that a single randomly selected value is less than $990. P(X < 990) = Find the probability that a sample of size 89 is randomly selected with a mean less than $990. P(X < 990) = Enter your answers as numbers accurate to 4 decimal places.

CNBC recently reported that the mean annual cost of auto insurance is $951. Assume the standard deviation is $209. Find the probability that a single randomly selected value is less than $990. P(X < 990) = Find the probability that a sample of size 89 is randomly selected with a mean less than $990. P(X < 990) = Enter your answers as numbers accurate to 4 decimal places.

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
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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CNBC recently reported that the mean annual cost of auto insurance is $951. Assume the standard deviation is $209. Find the probability that a single randomly selected value is less than $990. P(X < 990) = Find the probability that a sample of size 89 is randomly selected with a mean less than $990. P(X < 990) = Enter your answers as numbers accurate to 4 decimal places. Submit Question OCX U.S. Poverty As...docx FTIR spectra, M....docx pka table by func....jpg O Lette 4. Describe what you observed/learned? I learned that people that the agency have helned ncarure houeina anded un comning hac tn the 0ency tn uoulntieer sh heln 30 tv 80 888 DD F2 F3 F4 F5 F6 F7 F8 F9 #3 24 & * 一 2 3 7 8 W E T Y S 云: CO LL
Transcribed Image Text:CNBC recently reported that the mean annual cost of auto insurance is $951. Assume the standard deviation is $209. Find the probability that a single randomly selected value is less than $990. P(X < 990) = Find the probability that a sample of size 89 is randomly selected with a mean less than $990. P(X < 990) = Enter your answers as numbers accurate to 4 decimal places. Submit Question OCX U.S. Poverty As...docx FTIR spectra, M....docx pka table by func....jpg O Lette 4. Describe what you observed/learned? I learned that people that the agency have helned ncarure houeina anded un comning hac tn the 0ency tn uoulntieer sh heln 30 tv 80 888 DD F2 F3 F4 F5 F6 F7 F8 F9 #3 24 & * 一 2 3 7 8 W E T Y S 云: CO LL
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