Homework Help: Probability and Statistics

Posted by Kim on Sunday, April 29, 2012 at 3:06am.

A marine biologist has determined that the weight of a full weight of 2000pounds and a standard deviation of 500 pounds. Determine the probability that the average weight of the next five sharks captured will be less than 2100lbs.

Probability and Statistics - PsyDAG, Sunday, April 29, 2012 at 11:12am
Z = (score-mean)/SD

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion from the Z score. This is the probability for one shark.

The probability for all events is found by multiplying the probabilities of the individual events.

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