Which of the following is roughly an example of a flat distribution?
?
A. ?The number of different colors of M&Ms in a bag.
B. ?The scores on an SAT exam.
C. ?The weights in kilograms of adolescent males, age 16-17.
D. ?The number of heads and the number of tails when flipping a coin 1000 times.
E. ?a and d only
Answer: E
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?Fill in the blank to make the following number divisible by 18, and explain why: 6488__
A. ?1, because the sum of the digits must be divisible by 9. B. ?4, because the number must end in an even number. C. ?4, because the number must end in an even number and the sum of the digits must be divisible by 9. D. ?there is no number that will work. E. ?any even number that will make the sum of the digits equal to a multiple of 3.
Calculate the derivative of the function. Then find the value of the derivative as specified.f(x) = 
; f '(-1)
A. f '(x) = - 
; f '(-1) = -8
B. f '(x) = 
; f '(-1) = 8
C. f '(x) = 8; f '(-1) = 8
D. f '(x) = - 8x2; f '(-1) = - 8
Solve the problem.A study in a small town showed that the percent of residents who have college degrees can be modeled by the function 
where x is the number of years since 2005. Does this model indicate that the percent of residents with a college degree is increasing or decreasing?
A. Increasing B. Decreasing
Write the expression in spreadsheet notation. Let x be in cell A1.
?
?
A. 
B. ?
C. ?
D. ?
E. ?