Course Home G Home l Chegg.com × I Binomial distribution calcul. + v/ Do Homewor

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Course Home G Home l Chegg.com × I Binomial distribution calcul. + v/ Do Homework-Bryce Faber- Microsoft Edge http://www.mathxl.com Student PlayerHomework.aspx?home workld 506046625&questionid-8&flusheda triR DS23-41976 (10:00-11:50) Homework: Homework Chapter 5 Score: 0 of 1 pt 5.3.51 Save 13 of 15 (12 complete) v score: 53.33%, 8 of Question Help Arrivals to a bank automated teller machine (ATM) are distributed according to a Poisson distribution with a mean equal to five per 5 minutes. Complete parts a and b below. Click here to view page 1 of the table.of Poisson probabilities. Click here to view page 2 of the table of Poisson probabilities The probability is 0.0842. (Round to four decimal places as needed.) b. What is the probability that fewer than two customers will arrive in a 10-minute segment? The probability is.(Round to four decimal places as needed.) More Enter your answer in the answer box and then click Check Answer All parts showing Clear Al

Explanation / Answer

b) for two minutes expected number of custmer =5*10/5 =10

hence P(fewer than 2 customer in 10 minutes) =P(X<2 )=P(X=0)+P(X=1)

=e-10*100/0!+e-10*101/1! =0.0005

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