Find the score corresponding to the 75th percentile of a normal distribution with a mean of...

Find the score corresponding to the 75th percentile of a normal distribution with a mean of 90 and a standard deviation of 12.

2.A normal distribution has a mean of 5 and a standard deviation of 2. What proportion of the distribution is above 3?

3.A normal distribution of test scores has a mean of 38 and a standard deviation of 6. Everyone scoring at or above the 80th percentile gets placed in an advanced class. What is the cutoff score to get into the class?

A normal distribution of test scores has a mean of 38 and a standard deviation of 6. What percent of the students scored between 30 and 45?

5.Find the Z-score with an area of 0.10 to the right.

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Expert Solution

orchestra answered 1 year ago

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