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iren [92.7K]
3 years ago
7

The weight of strawberries follows a normal distribution with a mean weight of 12 grams and a standard deviation of 2.5 grams. I

f a strawberry is randomly selected, what is the probability that the strawberry weighs less than 10 grams? A. .1587 B. .2119 C. .2420 D. .1251
Mathematics
1 answer:
zysi [14]3 years ago
5 0

Let X be a random variable representing the weight of strawberries.

<span>
μ= 12</span>

σ=​ 2.5

Solution:

<span>
P(X < 10) = P(z < (10 - 12)/2.5) </span>

= P(z < -2/2.5)

= P(z < -0.8)

= 1 - P(z < 0.8)

= 1 - 0.7881

= 0.2119

<span>The answer is letter B.</span>

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