Simplify the expression.32
A. -6
B. -9
C. 9
D. 6
Answer: C
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For n repeated independent trials, with constant probability of success p for all trials, find the probability of exactly x successes. Round your answer to four decimal places.n = 17, p = 1/2, x = 7
A. 0.1632 B. 0.1484 C. 0.1781 D. 0.1929
Find the median.The number of vehicles passing through a bank drive-up line during each 15-minute period was recorded. The results are shown below. Find the median number of vehicles going through the line in a fifteen-minute period.21 23 21 2424 21 26 2331 27 27 2520 27 21 1611 23 23 23
A. 24 B. 27 C. 23 D. 22.85
Solve.A children's slide rises 11 feet over a horizontal distance of 9 feet. Find the slope of the slide?
A. 
B. 
C. 9
D. 11
Determine the validity of the argument.Sailboats need a windy day to sail.Today is a windy day.Therefore today is a good day for sailing sailboats.
A. Valid B. Not valid