Q:

A box at a miniature golf course contains contains 4 red golf balls, 8 green golf balls, and 7 yellow golf balls. What is the probability of taking out a golf ball and having it be a red or a yellow golf ball? Express your answer as a percentage and round it to two decimal places.

Accepted Solution

A:
Answer:  =57.89%Step-by-step explanation:The total number of golf ball is 4+8+7 = 19P (red or yellow) = number of red or yellow                               ------------------------------------                                 total number of golf balls                            = 4+7                               -----                               19                          =11/19Changing this to a percent means changing it to a decimal and multiplying by 100%                         = .578947368 * 100%                          =57.8947368%Rounding to two decimal places                          =57.89%