Multiple Choice
A company installs 5000 light bulbs, each with an average life of 500 hours, standard deviation of 100 hours, anddistribution approximated by a normal curve. Find the approximate number of bulbs that can be expected to last thespecified period of time.
-More than 740 hours
A) 49
B) 4960
C) 41
D) 499
Correct Answer:
Verified
Correct Answer:
Verified
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