Connect tml nt Estimators and Sampling Distributions The mean distance a deliver

Question

Connect tml nt Estimators and Sampling Distributions The mean distance a delivery company's trucks travel is 4117 miles per day. The population standard deviation for the number of mles traveled by this company's trucks is 336 miles. A manager decides to randomly select ten trucks every day to track their mleage If these mileage amounts follow a normal probability distribution, what is the probability that a random sample of ten of these trucks has an average mileage amount that exceeds 406 miles per day? Round your Z valuels) to two decimal places Do not round any other intermediate calculetions. Enter your answer es a decimal to four places. Probability:

Explanation / Answer

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1) mean = 411.7

SD = 33.6

n = 10

z = (406 - 411.7)/33.6/10

z = - 0.54

P = 0.7054

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