The weather person said the high for the next day will be 85°F. What the forecaster meant was that the pre- dicted high will be 85°F with a standard deviation of 4 degrees. That is, the mean probability of reaching 85°F is 50 percent. What is the chance of having a high of 90°F? ______ percent What is the chance of a high of only 74°F? ______ percent