The average cost per household of owning a brand new car is P5,500. Suppose that we randomly selected 45 households, determine the probability that the sample mean for these 45 households is between P5,250 and P6,000. Assume that the variable is normally distributed and the standard deviation is $1,550. SD of the sample mean (input 4 decimal places)= type your answer... type your answer... z-scores (input 2 decimal places) type your answer... Final answer/Probability (input 2 decimal places type your answer... %

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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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 cost per household of owning a brand new car is $5,500. Suppose that we randomly selected 45 households, determine the
probability that the sample mean for these 45 households is between $5,250 and 6,000. Assume that the variable is normally distributed and the
standard deviation is $1,550.
SD of the sample mean (input 4 decimal places)= type your answer...
type your answer...
z-scores (input 2 decimal places) type your answer...
Final answer/Probability (input 2 decimal places type your answer...
%
Transcribed Image Text:The average cost per household of owning a brand new car is $5,500. Suppose that we randomly selected 45 households, determine the probability that the sample mean for these 45 households is between $5,250 and 6,000. Assume that the variable is normally distributed and the standard deviation is $1,550. SD of the sample mean (input 4 decimal places)= type your answer... type your answer... z-scores (input 2 decimal places) type your answer... Final answer/Probability (input 2 decimal places type your answer... %
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