A box contains 6 $1 bills, 14 $5 bills, 12 $10 bills, and 3 $20 bills. A bill is selected from the box. Let the random variable X be the value of the bill selected. Find the probability distribution of X.
What will be an ideal response?
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Which of the following expresses the correct unit rate in miles per hour? ?
A.
?
B.
?
C.
?
D.
?
E.
?
Use Stokes' Theorem to calculate the circulation of the field F around the curve C in the indicated direction.F = x2i + xyj + yk; C: the counter-clockwise path around the perimeter of the rectangle in the x-y plane formed from the x-axis, y-axis , x = 3 and y = 6
A. 108 B. - 54 C. -108 D. 54
Solve the problem.The graph models the monthly average temperature y in degrees Fahrenheit for a city in the United States, where x is the month.
Find and interpret the amplitude.
A. The amplitude is 28 and represents the temperature range. B. The amplitude is 56 and represents half of the temperature range. C. The amplitude is 59 and represents the midpoint of the monthly average temperatures. D. The amplitude is 28 and represents half of the temperature range.
Solve the problem.Median family income in Country X between 1990 and 1999 can be modeled by 
where x is the year. Determine symbolically when the median income was $42,216.
A. x ? 1998 B. x ? 2000 C. x ? 1994 D. x ? 1996