there are six horses running in a race and one of them will win. The probabilities of each horse winning are show below, where is k is some constant:

horse | Apollo| Bandit| Chinook| Dixie| Eclipse|Ferdinand

Probability|0.18. | 6k | 0.08 |5k | 0.38 | k

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

0.22

0.21

0.23

0.19

0.20

suppose we have the following facts about customers at a bakery: 1 to 4

50%

40%

74%

12%

9%

5%

2%

we will randomly select one costumer. Let B be the event that the customers buys bread, let C be the event that the customers buys and let D be the event that the customers buys a donut.

1 what is P(B C), the probability that selected customer buys a bread or a cupcake?

0.78

0.75

0.77

0.79

0.76

2 What is the probability that the selected customer buys none of the three items?

0.01

0.03

0.02

0.05

0.04

3 Which of the following pairs events are independent of each other?

B and C

B and D

C and D

all of the above

none of the above

4 In random sample of 7 customers, what is the probability that 2 or more of them buy bread?

0.9375

0.9575

0.9675

0.9275

0.9475