At one high school, the mean time for running the 100-yard dash is 
with a standard deviation of 0.9 seconds. The times are very closely approximated by a normal curve. Find the percent of times that are:Less than 17 seconds
A. 2.5%
B. 84%
C. 97.7%
D. 98%
Answer: C
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Several groceries reported differing prices for a bread. The prices are as follows: 2.8, 2, 2.5, 2.7, 3, 2, 2.4, 2.2, 2.7. Find the mean, median, and mode of the prices for a bread. Then find the range of the prices.
A. mean: $3.48, median: $3.5, mode: $1.7, range: $2 B. mean: $2.48, median: $2.5, mode: $2.7, range: $1 C. mean: $1.48, median: $4.5, mode: $3.7, range: $3 D. mean: $4.48, median: $1.5, mode: $4.7, range: $0.1 E. mean: $0.48, median: $5.5, mode: $0.7, range: $4
Answer the question.What is the range of the function y =log5
?
A. y ? 0 B. All real numbers C. y > 0 D. y ? 5
Solve the problem. Round to the nearest hundredth.953 is what percent of 1754?
A. 0.05% B. 184.05% C. 54.33% D. 0.54%
Subtract.89,473 - 8525
A. 88,768 B. 80,948 C. 81,248 D. 84,948