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hjlf
3 years ago
9

Suppose there are 6 runners in the finals of a 100 m sprint, Abbie, Becca, Clarice, Danna, Emma, and Francine. Answer each of th

e following questions.
1. An analyst, Grace, gives Abbie a 12% chance to place first and Becca an 8% chance to place second. Assume these percentages are accurate. Can we determine the probability that Abbie will place first and Becca will place second? Why or why not?
Mathematics
1 answer:
scoundrel [369]3 years ago
3 0

Answer:

No, the events are dependent

Step-by-step explanation:

The probability of two events occurring is:

P(A and B) = P(A) × P(B given A)

If the events are independent (event A does not affect the probability of event B), then P(B given A) = P(B).

However, these events aren't independent.  If Abbie places first, it affects the probability of whether Becca places second.

P(B given A) ≠ P(B)

P(B given A) ≠ 0.08

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