Question 1: ( 7 marks ) Olympia Sports store wants to determine whether or not to concentrate its advertising on ice skates for the "serious" athlete...

Question 1: (7 marks)Olympia Sports store wants to determine whether or not to concentrate its advertising on ice skates for the "serious" athlete or the "casual" skater. The store also wants to know which type of use is the most popular. The marketing department gathered the following information from randomly selected customers. 

                      Athlete                  Hockey Skate             Figure Skate           Speed Skate                 Serious                       76                         18                           12                 Casual                        45                         49                            7

1. Find the probability that if one customer is randomly selected he/she is a serious ice skater and buys a skate primarily for Hockey.
2. Find the probability that if one  customer is randomly chosen he/she is a serious skater oran athlete who buys skates for speed skating.
3. Given that a customer buys skates for figure skating, find the probability that the customer is a casual skater.
4. If two customers are randomly chosen (without replacement), find the probability that they will both buy skates primarily for hockey.

 Question 2: (7 marks)A couple plans to have 4 children.

1. List the different outcomes according to the gender of each child. Assume that these outcomes are equally likely.
2. How manyeventsare possible? List them.
3. Find the probability of getting 3 girls.
4. Find the probability of getting exactly 2 children of each gender.

 Question 3: (4 marks)

A study revealed that 55% of vacationers in Ontario visit Algonquin, 35% visit