Question

Question Help Pulse rates of women are normally distributed with a mean of 775 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 2 x- The original pulse rates are measure with units of "beats per minute" What are the units of the corresponding scores? Choose the correct choice below O A The scores are measured with units of minutes per beat" OB The z scores are measured with units of beats OC. The z scores are measured with units of beats per minute D. The z scores are numbers without units of measurement

Answer 1

Given, mean ==77.5 bearts per minutes Standard deviation =r=11.6 beats per minutes Lot z- is a standard normal o random variable x-M M=0 a=1 "The miginal pulse rutes are measase with units of "beats per minute', whot are the units of the corresponding z score ? Answers D. The e scores are numbers without units of measurement,