Asked by Jeanie
the number of mosquitoes that brown bats can eat in an hour has a mean of 600 and a standard deviation of 200. a study observed a random sample of 80 little brown bats.
hat is the minimum no. of mosquitoes that the upper 25% of little brown bats eat in an hour?
Please.. I need your help...
hat is the minimum no. of mosquitoes that the upper 25% of little brown bats eat in an hour?
Please.. I need your help...
Answers
Answered by
PsyDAG
Z = (score-mean)/SD
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion and its related Z score. Insert values into the equation above to find the score (# of mosquitoes).
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion and its related Z score. Insert values into the equation above to find the score (# of mosquitoes).
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