The mean weekly sales per employee at a nationwide store is normally distributed with a mean of $7,300 per week and a standard deviation of $700. what is the probability that a randomly selected employee will have sales less than $6,500 ?

The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean