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Normal Distribution: Chatterbox

APSTAT-WNCFUG

The words per minute spoken by a student at Talk University is approximately normal with a mean of $150$ words per minute and standard deviation of $25$ words per minute.

The shaded area in the figure below represents which of the following probabilities?

A

The probability the number of words spoken by a student at Talk University is between $75$ words per minute and $200$ words per minute.

B

The probability the number of words spoken by a student at Talk University is between $100$ words per minute and $200$ words per minute.

C

The probability the number of words spoken by a student at Talk University is between $100$ words per minute and $225$ words per minute.

D

The probability the number of words spoken by a student at Talk University is between $125$ words per minute and $200$ words per minute.

E

The probability the number of words spoken by a student at Talk University is between $125$ words per minute and $225$ words per minute.