A company installs 5000 light bulbs, each with an average life of 500 hours, standard deviation of 100 hours, and distribution approximated by a normal curve. Find the approximate number of bulbs that can be expected to last the specified period of time.More than 740 hours
A. 4960
B. 49
C. 41
D. 499
Answer: C
Mathematics
You might also like to view...
Evaluate the expression.
2
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.
The monthly payments on a $54,000 loan at 
% interest for 20 years is $402.84. How much of the first monthly payment will go toward interest?
A. $26.18 B. $351.00 C. $292.50 D. $376.66
Mathematics
Find the grade point average for a student earning the following grades. Assume 
and 
Round answer to the nearest hundredth.
-49.0px;" />
A. 3.00
B. 2.00
C. 4.00
D. 7.80
Mathematics
A bacteria culture had a population of 10 million at 10:00 A.M., and by 2:00 P.M. had grown to 16 million. Predict the population at 6:00 P.M. that same day. ? Please round your answer to the nearest tenth of a million. ? __________ million
Fill in the blank(s) with the appropriate word(s).
Mathematics