A child has an enormous jar in which she has been saving all of her spare change. In order to determine exactly how much money she has in the jar, she dumps all of the coins on the floor and counts them. Under the watchful eye of her mother, she counts 180 pennies, 120 nickels, 100 dimes, and 80 quarters.The "80 quarters in the jar" describes
A. a strata.
B. a sample.
C. a parameter.
D. a statistic.
E. none of these
Answer: D
Mathematics
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A. k =
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C. k = 9
D. Impossible
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A. Webster's method B. Jefferson's method C. Hamilton's method D. Adam's method E. There is no such method.
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Provide an appropriate response.A refund fraction shows what portion of the total finance charge has been paid at the time a loan is paid off.
A. True B. False
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Use the power rules for exponents to simplify. Write the answer in exponential form.(2x5y2)3
A. 2x15y6 B. 8x8y5 C. 8x15y6 D. 2x8y5
Mathematics