1. Suppose there is a 12.5% probability that a randomly selected person aged 35 years or...

1. Suppose there is a 12.5% probability that a randomly selected person aged 35 years or older is a smoker. In addition, there is a 11.9% probability that a randomly selected person aged 35 years or older is female, given that he or she smokes.

What is the probability that a randomly selected person aged 35 years or older is female and smokes?

2. For the month of May in a certain city, 71% of the days are cloudy. Also in the month of May

in the same city, 55% of the days are cloudy and snowy.

What is the probability that a randomly selected day in May will be snowy if it is cloudy?

3. For two events, A and B, P(A)equals=.2, P(B)equals=.4, and P(A∩B)equals=. 1.

Find P(A|B).

Find P(B|A).

Are A and B independent events?

Solutions

Expert Solution

Ans1 let A be the event that randomly selected person aged 35 years or older is a smoker.

orchestra answered 1 year ago

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