Mathematics, 11.06.2021 17:30 ybhques7

The scores on a certain test are normally distributed with a mean score of 65 and a standard deviation of 2. What is the probability that a sample of 90 students will have a mean score of at least 65.2108? Group of answer choices

a) 0.3174

b) 0.3413

c) 0.8413

d) 0.1587

Answers: 2

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The scores on a certain test are normally distributed with a mean score of 65 and a standard deviation of 2. What is the probability that a sample of 90 students will have a mean score of at least 65.2108? Group of answer choices a) 0.3174 b) 0.3413 c) 0.8413 d) 0.1587

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The scores on a certain test are normally distributed with a mean score of 65 and a standard deviation of 2. What is the probability that a sample of 90 students will have a mean score of at least 65.2108? Group of answer choices

a) 0.3174

b) 0.3413

c) 0.8413

d) 0.1587