Question

Suppose that the mean and standard deviation of the scores on a statistics exam are 81.7...

Suppose that the mean and standard deviation of the scores on a statistics exam are 81.7 and 6.75, respectively, and are approximately normally distributed. Calculate the proportion of scores between 76 and 81.

Question 8 options:

1)

 0.2595

2)

 0.0166

3)

 0.1992

4)

 0.5413

5)

 We do not have enough information to calculate the value.
Math   Statistics-And-Probability   
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