Statistics
posted by Kim .
An automobile in surer has found that repair claims have a mean of $1520 and a stardard deviation of $770. Suppose that the next 100 claims can be ragarded as a random sample from the longrun claims process
1. What is the mean and standrd deviation of the average x(bar) of the next 100 claims?
2. What is the probability that the average x (bar) of the 100 claims in less than $1500?
(Please explain the steps taken so I can understand)
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