Find all the mistakes in the following student answers. Be specific. Then correctly answer each question....

Find all the mistakes in the following student answers. Be specific. Then correctly answer each question. To create bell shaped curves use Link (Links to an external site.)

ACT English Scores In a recent year, the ACT scores for the English portion of the test were normally distributed, with a mean of 20.6 and a standard deviation of 6.3. A high school student who took the English portion of the ACT is randomly selected.

1. Find the probability that the student’s ACT score is less than 15.

P(x<15)

normalpdf(-10000, 15, 20.6, 6.3)

0.0427

2. Find the probability that the student’s ACT score is between 18 and 25.

P(18<x<25)

0.4176

Expert Solution

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orchestra answered 2 years ago

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