A credit card company decides to study frequency with which its cardholders charge for items.?

Question

The data values collected in the study appear to be normally distributed with a mean of 25 charged purchases and a standard deviation of 2 charged purchases. Out of the total number of cardholders, about how many would you expect are charging 27 or more purchases in this study?. 94.8%, 47.8%, 68.3%. or 15.9%

Answer 1

15.9%

On a normal distribution 68% will be within one standard deviation of the mean, 16% will be below 2sd's, 16% will be above.