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Let x be the number of-days in month picked at random from


Let X be the number of-days in month picked at random from the 12 months of a year (not a leap year).

a) Display the distribution of X in a table, and calculate E(X) and SD(X).

b) Repeat with X the number of days in the month containing a day picked at random from the 365 days of 1991.

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Basic Statistics: Let x be the number of-days in month picked at random from
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