Exercise 5 The distribution of repeated measurements of the weight of an object is approximately normal with a mean of 9.7800 gm and a standard deviation of 0.0031 gm. a) The chance that the next measurement will be between 9.7840 and 9.8000 gm is equal to 0.0985; b) The proportion of measurements smaller than 9.7794 gm is equal to 0.4247.

A First Course in Probability (10th Edition)
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Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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Exercise 5 The distribution of repeated measurements of the weight of an object is approximately
normal with a mean of 9.7800 gm and a standard deviation of 0.0031 gm.
a) The chance that the next measurement will be between 9.7840 and 9.8000 gm is equal to
0.0985;
b) The proportion of measurements smaller than 9.7794 gm is equal to 0.4247.
Transcribed Image Text:Exercise 5 The distribution of repeated measurements of the weight of an object is approximately normal with a mean of 9.7800 gm and a standard deviation of 0.0031 gm. a) The chance that the next measurement will be between 9.7840 and 9.8000 gm is equal to 0.0985; b) The proportion of measurements smaller than 9.7794 gm is equal to 0.4247.
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