Question

13. Given the following:

P(A) = 0.3

P(B) = 0.6

P(A or B) = 0.2

What is P(A and B)?

1. 0.90
2. 0.70
3. 0.60
4. 1.10

14. Ben hands out awards to the top 4 dealerships based on sales. For the 40 dealerships how many different ways can he hand out the awards?
    1. 2,193,360
    2. 91,930
    3. 3,514,789
    4. 1

15. Ben is going to conduct his sales meeting in a virtual format (he’s attempting to follow social distancing rules). He is choosing between 4 different meeting platforms, 6 different times, 3 formats (chat, voice or only, or video and voice) and 3 dress codes (corporate polo, PJ’s are ok (since everyone will be joining from home) or just casual). How many different ways can Ben construct the meeting?
    1. 1
    2. 216
    3. 16
    4. Insufficient data to determine the answer

16. A student enrolls in a statistics class. There is a probability of 0.3 that they will be assigned to Professor Jones’s class, and a probability of 0.7 that they will be assigned to Professor Smith. Historically the probability of getting a B or higher in Professor Jones’s class was 0.35 while in Professor Smith’s class it was 0.30. Given that a student earned a B, what is the probability they were in Mr. Smith’s class?
    1. 0.33
    2. 0.13
    3. 0.67
    4. 0.22

Answer 1

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