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Mathematics, 22.11.2019 23:31 uniqueray33
The average number of mosquitoes in a stagnant pond is 80 per square meter with a standard deviation of 12. if 36 square meters are chosen at random for a mosquito count, find the probability that the average of those counts is more than 81.8 mosquitoes per square meter. assume that the variable is normally distributed.
a) 18.4%
b) 81.6%
c) 0.3%
d) 31.6%.
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