Question

The graph below shows the graphs of several normal distributions, labeled A, B, and C, on the same axis. Determine which normal distribution has the largest standard deviation.

Ans; c

Question

Gail averages 64 words per minute on a typing test with a standard deviation of 9.5 words per minute. Suppose Gail’s words per minute on a typing test are normally distributed. Let X= the number of words per minute on a typing test. Then X∼N(64,9.5).

If necessary, round to three decimal places.


Provide your answer below:


Suppose Gail types 89 words per minute in a typing test on Sunday. The z-score

….Kindly click the purchase icon to purchase the full solution at $10

Total Views: 4 ,