Answer the question.Which of the following quantities of interest would be the most difficult to measure?
A. The best looking team member
B. The team member with the longest hair
C. The team member with the highest salary
D. The average height of a volleyball team
Answer: A
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Answer each question appropriately.Suppose the velocity of a body moving along the s-axis is = 9.8t - 10.Is it necessary to know the initial position of the body to find the body's displacement over some time interval? Justify your answer.
A. No, the initial position is necessary to find the curve s= f(t) but not necessary to find the displacement. The initial position determines the integration constant. When finding the displacement the integration constant is subtracted out. B. Yes, integration is not possible without knowing the initial position. C. Yes, knowing the initial position is the only way to find the exact positions at the beginning and end of the time interval. Those positions are needed to find the displacement. D. No, displacement has nothing to do with the position of the body.
Estimate the answer to the problem.One cook can make enough food for 350 people a night. How many cooks are needed to feed 2317 people a night?
A. 9 cooks B. 7 cooks C. 8 cooks D. 6 cooks
Solve the problem.Three cards are drawn in order from a well shuffled deck of 52 cards. The probability that all three cards are clubs is given by
A. ×
×
.
B. ×
×
.
C. ×
×
.
D. ×
.
E. none of these
Solve.A rectangular room measures 19 ft by 13 ft. Find the cost of installing a strip of wallpaper around the room if the wallpaper cost $0.73 per foot.
A. $46.72 B. $360.62 C. $180.31 D. $23.36