The duration of routine operations in a certain hospital has approximately a normal distribution with an average of 154 minutes and a standard deviation of 12 minutes. What percentage of operations last less than 175 minutes? Round your answer to one decimal place.
a. 54%
b. 4%
c. 96%
d. 92%
c. 96%
Mathematics
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Decide whether or not the function is continuous in the indicated x-interval.-4 to 2
A. Continuous B. Not continuous
Mathematics
Perform the indicated operation and express in lowest terms.
÷ 
A. z - 9
B. 
C. 
D. 
Mathematics
Evaluate.C(11, 0)
A. 39,916,800 B. 1 C. 11 D. 0
Mathematics
Solve.10r + 4 = 54
A. 5 B. 1 C. 44 D. 40
Mathematics