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​Jody, a statistics​ major, grows tomatoes in her spare time. She keeps a record of the...

​Jody, a statistics​ major, grows tomatoes in her spare time. She keeps a record of the weight of each tomato she grows. What percentage of all her tomatoes will be within one standard deviation of the mean​ weight? A. 68 B. 50 C. 99.7 D. 95 E. 10

Math   Statistics-And-Probability   
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Solution:

   We are given that: Jody, a statistics​ major, grows tomatoes in her spare time . She keeps a record of the weight of each tomato she grows.

We have to find the percentage of all her tomatoes will be within one standard deviation of the mean​ weight.

We will assume distribution of weights of grown tomatoes is Normal distribution. Thus we will use Empirical rule to find the percentage of tomatoes will be within one standard deviation of the mean​ weight.

According to Empirical rule, 68% of the data fall within one standard deviation of the mean.

Thus correct answer is : A) 68

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