Pulse rates of women are normally distributed with a mean of 77.5 beats per minute and a standard deviation of 11.6 beats per minute. Answer the following questions.

What are the values of the mean and standard deviation after converting all pulse rates of women to z scores using z=(x)?

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nothing

The original pulse rates are measure with units of"beats perminute". What are the units of the corresponding zscores? Choose the correct choice below.

A.

The z scores are measured with units of"beats."

B.

The z scores are measured with units of"minutes perbeat."

C.

The z scores are measured with units of"beats perminute."

D.

The z scores are numbers without units of measurement.