HELP A statistician determines the amount of daily pocket mo

HELP

A statistician determines the amount of daily pocket money to give to his son by flipping 5 quarters, and giving the quarters which turn up heads.

a) What is the mean amount of daily pocket money his son receives? Enter the result in cents to 2 places after the decimal, without the units, i.e. xx.xx
b) What is the standard deviation of the amount of daily pocket money his son receives? Enter the result in cents to 2 places after the decimal, without units

Solution