In a normal distribution with a mean of 30 and a standard deviation of 5, you'd find the largest proportion of cases between:

x = 20 and x = 30.

x = 10 and x = 15.

x = 25 and x = 35.

x = 35 and x = 50.

Answer can't be determined.

Question

In a normal distribution with a mean of 30 and a standard deviation of 5, you'd find the largest proportion of cases between:

       x = 20 and x = 30.

       x = 10 and x = 15.

       x = 25 and x = 35.

       x = 35 and x = 50.

       Answer can't be determined.

perl · Answer

did you use the empirical rule,

anonymous · Answer

how would i apply it?

perl · Answer

you can change the X (raw score) to the z score.

anonymous · Answer

oh ok do u have a chart by any chance?

perl · Answer

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