Tell whether the statement is true or false.The absolute value of any number is positive.
A. True
B. False
Answer: B
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In a chemistry class, the following test scores were recorded for a student: 79, 76, 74, 73, 82, 78. Find the mean, median, and mode for the data.
A. mean: 77, median: 73, mode: 82 B. mean: 76, median: none, mode: none C. mean: 78, median: none, mode: 82 D. mean: 77, median: 77, mode: none
Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the y-axis.y = 9
, y = 0, x = 1
A. 
?
B. 18?
C. 
?
D. 45?
Solve the problem.The table lists how financial aid income cutoffs (in dollars) for a family of four have changed over time. Use the midpoint formula to approximate the financial aid cutoff for 1985.
A. $33,375 B. $17,625 C. $20,250 D. $51,750
Find the probability.The table lists the eight possible blood types. Also given is the percent of the U.S. population having that type.
Let E be the event that a randomly selected person in the U. S. has type B blood. Let F be the event that a randomly selected person in the U. S. has RH-positive blood.Find P(F|E).
A. 0.818 B. 0.340 C. 0.720 D. 0.107