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The average number of liters of fresh milk that a person consumes in a month is 20 liters. Assume that the standard deviation is 4.5 liters and the distribution is approximately normal. If a sample of 35 individuals is selected, find the probability that the mean of the sample will be between 18 and 19 liters. SD of the sample mean (input 4 decimal places) = type your answer... z-scores (input 2 decimal places) = type your answer... Final answer/Probability (input 2 decimal places) = type your answer.... type your answer... % The amount of time that sales managers devote to their jobs per week is normally distributed with a mean of 57 hours and a standard deviation of 5.50 hours. What is the probability that 40 randomly selected sales manager works for more than 56 hours per week? SD of the sample mean (input 4 decimal places)= type your answer... z-score (input 2 decimal places)= type your answer... Final answer/ Probabil

The average number of liters of fresh milk that a person consumes in a month is 20 liters. Assume that the standard deviation is 4.5 liters and the distribution is approximately normal. If a sample of 35 individuals is selected, find the probability that the mean of the sample will be between 18 and 19 liters. SD of the sample mean (input 4 decimal places) = type your answer... z-scores (input 2 decimal places) = type your answer... Final answer/Probability (input 2 decimal places) = type your answer.... type your answer... % The amount of time that sales managers devote to their jobs per week is normally distributed with a mean of 57 hours and a standard deviation of 5.50 hours. What is the probability that 40 randomly selected sales manager works for more than 56 hours per week? SD of the sample mean (input 4 decimal places)= type your answer... z-score (input 2 decimal places)= type your answer... Final answer/ Probabil

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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The average number of liters of fresh milk that a person consumes in a month is 20 liters. Assume that the standard deviation is 4.5 liters and the distribution is approximately normal. If a sample of 35 individuals is selected, find the probability that the mean of the sample will be between 18 and 19 liters. SD of the sample mean (input 4 decimal places) = type your answer... z-scores (input 2 decimal places) = type your answer... Final answer/Probability (input 2 decimal places) = type your answer... type your answer... % The amount of time that sales managers devote to their jobs per week is normally distributed with a mean of 57 hours and a standard deviation of 5.50 hours. What is the probability that 40 randomly selected sales manager works for more than 56 hours per week? SD of the sample mean (input 4 decimal places)= type your answer... z-score (input 2 decimal places) = (input 2 decimal places) = type your answer... % type your answer... Final answer/Probability
Transcribed Image Text:The average number of liters of fresh milk that a person consumes in a month is 20 liters. Assume that the standard deviation is 4.5 liters and the distribution is approximately normal. If a sample of 35 individuals is selected, find the probability that the mean of the sample will be between 18 and 19 liters. SD of the sample mean (input 4 decimal places) = type your answer... z-scores (input 2 decimal places) = type your answer... Final answer/Probability (input 2 decimal places) = type your answer... type your answer... % The amount of time that sales managers devote to their jobs per week is normally distributed with a mean of 57 hours and a standard deviation of 5.50 hours. What is the probability that 40 randomly selected sales manager works for more than 56 hours per week? SD of the sample mean (input 4 decimal places)= type your answer... z-score (input 2 decimal places) = (input 2 decimal places) = type your answer... % type your answer... Final answer/Probability
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