The distribution of the weights of a sample of 1,400 cargo

Chapter 3, Problem 47E

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QUESTION:

Problem 47E

The distribution of the weights of a sample of 1,400 cargo containers is symmetric and bell-shaped. According to the Empirical Rule, what percent of the weights will lie:

Questions & Answers

QUESTION:

Problem 47E

The distribution of the weights of a sample of 1,400 cargo containers is symmetric and bell-shaped. According to the Empirical Rule, what percent of the weights will lie:

ANSWER:

Solution:

Step 1 of 3:

The distribution of the weights of a sample is symmetric and bell-shaped.

We have to find according to Empirical rule, what percent of the weights will lie in the following intervals.

  1. Between -2s and  
  2. Between and +2s and below -2s.

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