Please help ! Desperate here ! Evaluate the expression : 2{5[12+5(500-100)+399]}
1 answer:
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Answer: 0.0898
Step-by-step explanation:
Probability =
Given : Sample size : 528
Number pf customers say they are happy = 237
Probability of getting one happy customer=
Probability of getting second happy customer= [subtract 1 from both numbers]
Probability of getting third happy customer=
If 3 customers are elected without replacement
The probability they will all say they are happy with the service =
Hence, the required probability = 0.0898