Question 7 < > CNNBC recently reported that the mean annual cost of auto insurance is 985 dollars. Assume the standard deviation is 181 dollars. You will use a simple random sample of 142 auto insurance policies. Find the probability that a single randomly selected policy has a mean value between 985 and 986.5 dollars. P(985 < X < 986.5) = Find the probability that a random sample of size n = 142 has a mean value between 985 and 986.5 dollars. P(985 M 986.5) = Enter your answers as numbers accurate to 4 decimal places. Question Help: Video Submit Question
Question 7 < > CNNBC recently reported that the mean annual cost of auto insurance is 985 dollars. Assume the standard deviation is 181 dollars. You will use a simple random sample of 142 auto insurance policies. Find the probability that a single randomly selected policy has a mean value between 985 and 986.5 dollars. P(985 < X < 986.5) = Find the probability that a random sample of size n = 142 has a mean value between 985 and 986.5 dollars. P(985 M 986.5) = Enter your answers as numbers accurate to 4 decimal places. Question Help: Video Submit Question
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
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