assuming-the-average-number-of-customers-visiting-a-small-cafe-is-2020-per-day-c

Question

Assuming the average number of customers visiting a small cafe is $20$ per day, calculate the probability that exactly $15$ customers will visit the cafe on a given day. The probability distribution follows the Poisson model.

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Assuming the average number of customers visiting a small cafe is 2020 per day, calculate the probability that exactly 1515 customers will visit the cafe on a given day. The probability distribution follows the Poisson model.

Assuming the average number of customers visiting a small cafe is $20$ per day, calculate the probability that exactly $15$ customers will visit the cafe on a given day. The probability distribution follows the Poisson model.