10 people enter an elevator on the 1st floor of a 20 floor building. Suppose each person independently randomly picks a floor to get off on (from floors 2 through 20). Let X be the number of stops that the elevator makes (in other words, the number of distinct floors which are chosen). Find IE [X]. Find Var [X].

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step-by-step explanation:

y=sec x is the correct answer

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find the vertical and horizontal asymptotes of the function f x = 5 x − 1 . to find the vertical asymptote, equate the denominator to zero and solve for . since the degree of the polynomial in the numerator is less than that of the denominator, the horizontal asymptote is .

step-by-step explanation:

really your just stupid if you don't know this

step-by-step explanation: