Mathematics, 10.01.2021 06:10 Legojackson78

10. Gavin collects a certain type of seashell. He has 160 seashells. The seashells’ weights are distributed normally, with a mean of 120 grams and a standard deviation of 26 grams. How many of the seashells weigh at least 68 grams?

A. 156
B. 134
C. 152
D. 109

Answers: 3

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10. Gavin collects a certain type of seashell. He has 160 seashells. The seashells’ weights are dist...