As part of a study on the metabolism of athletes, 400 college basketball players are randomly chosen and their weights taken. The distribution of the weights is approximately normal. The average weight is 215 pounds and the standard deviation is 15 pounds.Of the 400 players approximately how many weighed 200 pounds or less?
A. 32
B. 336
C. 64
D. 100
E. none of these
Answer: C
Mathematics
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Factor completely. If a polynomial cannot be factored, say it is prime.3x5 - 6x3
A. 3x4(x - 2x) B. 3(x5 - 2x3) C. 3x3(x2 - 2) D. x5(3x2 - 6)
Mathematics
Find the PE ratio. Round to the nearest whole number.Stock: WaverlyCurrent Price per Share: $31.50Annual Net Income per Share: $0.51
A. 62 B. 20 C. 51 D. 66
Mathematics
Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.log x + log 2
A. log 2x
B. (log x)(log 2)
C. log (x + 2)
D. log 
Mathematics
Find the following.Find -(-x) when x is -48.
A. 48 B. -48 C. -49 D. 96
Mathematics