Find the number of elements in the sample space of the experiment.Choosing a committee of 4 from a club with 10 members.
A. 210
B. 40
C. 10,000
D. 5040
Answer: A
Mathematics
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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:Between 15.2 and 16.1 seconds
A. 50% B. 34% C. 68% D. 13.5%
Mathematics
- 
A. 
B. 
C. 
D. 
Mathematics
Find the first term a1 and the common difference d of the arithmetic sequence.1, 0.96, 0.92, 0.88, 0.84, . . .
A. a1 = -0.04, d = 0.84 B. a1 = 1, d = -0.04 C. a1 = -0.04, d = 0.04 D. a1 = 1, d = -0.08
Mathematics
Make the indicated conversion.8 ft = 
in.
A. 96 B. 288 C. 24 D. 32
Mathematics