SOLUTION: In the past year, 13% of businesses have eliminated jobs. If 4 businesses are selected at random, find the probability that at least 2 have eliminated jobs during the last year.
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Question 1069151: In the past year, 13% of businesses have eliminated jobs. If 4 businesses are selected at random, find the probability that at least 2 have eliminated jobs during the last year.
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
probability all 4 have: .13^4=0.0003
probability that 3 have: 4*.13^3*.87=0.0076
probability that 2 have 6*0.13^2*0.87^2=0.0767
that sum is 0.0846. ANSWER
check
probability 1 has is 4*.87^3*.13=0.3424
probability 0 have is .87^4=0.5729
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