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Suppose a person's score on a personality test that is normally distributed with a mean of 50 and a standard deviation of 10. If you were to pick a person completely at random, what is the probability
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Suppose a person's score on a personality test that is normally distributed with a mean of 50 and a standard deviation of 10. If you

were to pick a person completely at random, what is the probability that you would pick someone with a score on this test higher than 70?

User Amarsh
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6 votes

Answer:

2.28%

Explanation:

P(X > 70) = 1 - Ф((70 - 50)/10) = 0.0228 = 2.28%

User Ranj
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