For questions17to20:

Buy one soft drink every day for a week (7 days) during the annual Monopoly promotion at McDonald's. Each soft drink has a sticker on the cup that the customer checks to see if they have won an instant prize. It is known that one in five cups (20%) are winners.

X= number of times in one week that you win.

Question 17

There are a fixed number of observations,n.

Question 17 options:

True or False

Question 18

Each observation can be categorized as being either a success or a failure (two outcomes), andXcounts the number of successes.

Question 18 options:

True or False

Question 19

The probability of successpis the same for each observation.

Question 19 options:

True or False

Question 20

Observations are independent. That is, success or failure on one observation doesn't affect the probability of success or failure for any other observation.

Question 20 options:

True or False

Question 21

There are six horses running in a race and one of them will win. The probabilities of each horse winning are shown below, wherekis some constant:

HorseApolloBanditChinookDixieEclipseFerdinandProbability0.186k0.085k0.38k

Jacob places a bet that either Apollo or Dixie will win the race. What is the probability Jacob wins money?

Your Answer:

Question 22

During Tim Hortons' annual "Roll Up the Rim to Win" promotion, customers who purchase a cup of coffee check under the rim of the cup to see if they have won a prize. It is known that 16.7% of all cups are winners. If you buy one cup of coffee every day for a week (7 days), what is the probability you win exactly one time?

Keep 4 decimal places in intermediate calculations and round your final answer to 4 decimal places.

Your Answer:

Question 23

A student must pass through two sets of traffic lights on her way to school. The first light is red 50% of the time, yellow 5% of the time and green 45% of the time. The second light is red 20% of the time, yellow 10% of the time and green 70% of the time. Assuming that the lights operate independently, what is the probability, what is the probability that the student has to stopexactlyone time on her way to school? (Assume that she will stop only for a red light, and not if it is yellow.)

Your Answer: