When Gabriella runs the 400 meter dash, her finishing times are normally distributed with a mean of 79 seconds and a standard deviation of o.5 seconds. Using
the empirical rule, determine the interval of times that represents the middle 95% of
her finishing times in the 400 meter race?

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer

Acyclist bike x distance at 10 miles per hour .and returns over the same path at 8 miles per hour. what is the cyclist average rate for the round trip in miles per hour ?

I’m still confused on how to work the percentages