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What percent of the cockroaches have weights in grams

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Reference no: EM131757379

Question: The weights of laboratory cockroaches follow a Normal distribution with mean 80 grams and standard deviation 2 grams. The following figure is the Normal curve for this distribution of weights.

225_Weights.png

About what percent of the cockroaches have weights between 76 and 84 grams?

(a) 99.7%

(b) 95%

(c) 68%

(d) 47.5%

(e) 34%

Reference no: EM131757379

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