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Suppose a representative at car care service center receives a phone call every 4 minutes on average. Find the probability that she receives 4 phone calls in 20 minutes (round off to third decimal place).

User Dirkgently
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2 votes

Answer:

Probability she receives call 4times is 0.8

Explanation:

Total outcome = 5 since 20min ÷ 4min is 5

Expected outcome is 4

Hence probability= expected outcome ÷ total outcome

Probability = 4/5 = 0.8

User Andrei Zhytkevich
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