Twenty percent of american households
Twenty percent of American households own three or more cars. A random of 144 American households is chosen. Let X be the number of households chosen that own three or more cars.
The mean of X is
A. 2.
B. 4.8.
C. 23.04.
D. 28.80.
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Opinion polls find out that 20% of Americans adults claim that they don't get enough sleep. Assume you take the random sample of 200 American adults and count the number X in your sample that claim that they never have time to relax.
Twenty percent of American households own three or more cars. A random of 144 American households is chosen. Let X be the number of households selected that own three or more cars.
Determine function Phi explicitly for two-point boundary-value problem: x"=e^-2t-4x-4x', x(0)=1,x(2)=0. Determine initial-value problem whose solution solves boundary-value problem?
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Before that, the point near top of towe was 51.6,m from the point at base, and top point was directly above the point on ground 4.93, from base point. How much point on ground moved toward base point?
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The closing price of Schnur Sporting Goods Inc. common stock is uniformly distributed between $23 and 43 for each share. Determine the probability that the stock price will be:
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