Use Chebyshev's theorem to solve the problem.In a certain distribution of numbers, the mean is 50 and the standard deviation is 6. What can you say about the fraction of numbers that are less than 38 or more than 62?
A. at least 
B. at most 
C. at most 
D. at least 
Answer: B
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If a rock is tossed upward near the surface of Mars, then it has a constant downward acceleration of -3.77 meters per second per second. If V is the upward velocity, in meters per second, of the rock after t seconds, then V satisfies which equation of change? ?
A. 
B. 
C. 
D. 
The demand equation for a certain brand of metal alloy audiocassette tape is 
, where x represents the number (in thousands) of ten-packs demanded each week when the unit price is $p. How fast is the quantity demanded increasing when the unit price/ten-pack is $10 and the selling price is dropping at the rate of $.13/ten-pack/week? Round the answer to the nearest integer.
?
Hint: To find the value of x when p = 10, solve the equation 
for x when p = 10.
?
Increasing at the rate of __________ ten packs/wk.
Fill in the blank(s) with the appropriate word(s).
Solve the problem.Give the number of possible outcomes for tossing 5 coins.
A. 16 B. 10 C. 64 D. 32
Write the first five terms of the arithmetic sequence.a1 = 13; d = -3
A. 16, 13, 10, 7, 4 B. 13, 10, 6, 4, 1 C. 10, 7, 4, 1, -2 D. 13, 10, 7, 4, 1