About what proportion of the cockroaches will have weights greater than 83 grams? a. 0.0228 b. 0.0668

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About what proportion of the cockroaches will have weights greater than 83 grams?

a. 0.0228

b. 0.0668

c. 0.1587

d. 0.9332

e. 0.0772


The weights of laboratory cockroaches can be modeled with a Normal distribution having mean 80 grams and standard deviation 2 grams. The following figure is the Normal curve for this distribution of weights.

A B D E F G


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Related Book For  book-img-for-question

The Practice Of Statistics

ISBN: 9781319113339

6th Edition

Authors: Daren S. Starnes, Josh Tabor

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