Question 1069151
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