This is a multi-step problem. All work need to be shown to receive full credit. The standard deviation for Detroit weather is 6 degrees. Tomorrow's temperature will be 86 degrees. If this one day is at the top 10% find.
a. the corresponding z-score. Round to two decimal places. (5 pts)
2
b. use the formula 2 =
to find the mean temperature Round to the nearest degree (5 pts)