In the us it is estimated that an average person makes 4

In the U.S., it is estimated that an average person makes 4 visits a year to the doctor's office.

(a) What is the mean and standarad deviation for an average person of the number of monthly visits to the doctor?

(b) What is the probability that an average person makes at least 1 monthly visit to the doctor?

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In the us it is estimated that an average person makes 4 : in the u.s. it is estimated that an average person makes 4 visits a year to the doctors office.a what is the mean and

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