Question

The time between customer arrivals at a furniture store has an approximate exponential distribution with mean θ = 9.9 minutes. [Round to 4 decimal places where necessary.]

If a customer just arrived, find the probability that the next customer will arrive in the next 9.4 minutes.

Tries 0/5

If a customer just arrived, find the probability that the next customer will arrive within next 13 to 17 minutes?

Tries 0/5

If after the previous customer, no customer arrived in next 13 minutes, find the conditional probability that no customer will arrive for 17 minutes.

Tries 0/5

At a restaurant the time between two consecutive to-go orders is exponentially distributed with a rate of λ = 0.1/min.
Answer the following questions - round to 3 significant digits after decimal.

If a to-go order has just come, what is the probability that the next order will come in less than 8 minutes? 0.551

上面显示的是正确答案。 正确答案！ 您的证明编号是 158-709

以前的尝试

For quality control study, a random sample of 40 to-go orders is taken. What is the expected value of the sample average time between two consecutive to-go orders? 10.000

上面显示的是正确答案。 正确答案！ 您的证明编号是 158-9490

以前的尝试

For quality control study, a random sample of 40 to-go orders is taken. What is the standard deviation of the sample average time between two consecutive to-go orders? 1.581

上面显示的是正确答案。 正确答案！ 您的证明编号是 158-2319

以前的尝试

For quality control study, a random sample of 40 to-go orders is taken. What is the probability that the sample average time between two consecutive to-go orders, will be within 1 minute of the mean time?

错误.

Tries 1/5

以前的尝试

Answer 1

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