Multiple Choice
The survival times of adult mosquitoes exposed to a commonly used synthetic pesticide (Phenothrin) follow a gamma distribution, with a mean time until extermination of 48 sec and a standard deviation of 15.18 sec.What is the probability that a random sample of 40 mosquitoes will have an average survival time between 47.5 sec and 48 sec?
A) 0.0832
B) 0.4207
C) 0.4880
D) 0.0120
Correct Answer:

Verified
Correct Answer:
Verified
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