## [answered] A newspaper finds that the mean number of typographical err

Good Day,

Attached you will find 3 questions all involving the same formula. If these can be answered for me and maybe one of them explained as well, that would be greatly appreciated.?

-D.

A newspaper finds that the mean number of typographical errors per page is five. Find the probability

that (a) exactly six typographical errors are found on a page, (b) at most six typographical errors are

found on a page, and (c) more than six typographical errors are found on a page. A major hurricane is a hurricane with wind speeds of 111 miles per hour or greater. During the last

century, the mean number of major hurricanes to strike a certain country's mainland per year was about

0.680. Find the probability that in a given year (a) exactly one major hurricane will strike the mainland,

(b) at most one major hurricane will strike the mainland, and (c) more than one major hurricane will

strike the mainland. Assume the probability that you will make a sale on any given telephone call is 0.24. Find the probability

that you (a) make your first sale on the fifth call, (b) make your sale on the first, second, or third call, and

(c) do not make a sale on the first three calls.

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