There are 225 dogs that participated at the National Dog Show that weigh an average of 5 kilos, with a standarddeviation of 3.5 kilos. If 30 dogs are selected at random, what is the probability they have an average weightof greater than 4 kilos and less than 7 kilos?42.67%77.33%93.97%21.77%

We have given that, X be the random variable from normal distribution with mean (μ) = 5, standard…

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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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There are 225 dogs that participated at the National Dog Show that weigh an average of 5 kilos, with a standard deviation of 3.5 kilos. If 30 dogs are selected at random, what is the probability they have an average weight of greater than 4 kilos and less than 7 kilos? 42.67% 77.33% 93.97% 21.77%