Ask a New Question

The scores on a standardized exam are normally distributed with mean= 50 and variance=16. (a) what percentage of the scores exceed 58? (b) what percentage of the scores lie between 38 and 54? (c) what is the 84th percentile of the distribution?

Ask a New Question or answer this question.

Similar Questions

On a standardized exam, the scores are normally distributed with a mean of 80 and a standard deviation of 20. Find the z-score
1. 1 answer
On a standardized exam, the scores are normally distributed with a mean of 40 and a standard deviation of 5. Find the z-score of
1. 1 answer
On a standardized exam, the scores are normally distributed with a mean of 300 and a standard deviation of 20. Find the z-score
1. 1 answer
On a standardized exam, the scores are normally distributed with a mean of 195 and a standard deviation of 20. Find the z-score
1. 1 answer

more similar questions