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The speed with which utility companies resolve problems is very important. Georgetown Telephone Company reports they...

  1. The speed with which utility companies resolve problems is very important. Georgetown Telephone Company reports they can resolve customer problems the same day reported in 70% of the cases. Suppose 15 cases reported today are representative of all complaints. What is the probability:
    1. Exactly 11 of the problems will be solved today?
    2. Less than 8 of the problems will be solved today?
    3. Exactly 5 of the problems cannot be solved today?
math   Statistics-And-Probability   
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Answer #1

are given Here we X~BOIS 0.10) Tu P(X=11)= 9 156, (0-70) (0-70) (070) - 10.2186 1150 o osoo * th (070) (0.30 pe XC8) : e x=0

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