Question

The probability that I get job A is 0.45; the probability that I get job B...

The probability that I get job A is 0.45; the probability that I get job B is 0.60; and the probability that I get both the jobs is 0.5. The probability that I get at least one job offer is.

a.0.30

b. 0

c. 0.75

d. 0.55

Math   Statistics-And-Probability   
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Homework Answers

Answer #1

solution:

Let A be the event of getting job A

Let B be the event of getting job B

AB be the event of getting both jobs

Given that

P(A) = 0.45 , P(B) = 0.60 , P( AB) = 0.5

Probability of getting at least one job offer = P(AB)

= P(A) + P(B) - P( AB)

= 0.45 + 0.60 - 0.5

= 0.55

Probability of getting at least one job offer = 0.55

So,Option-D is correct

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