When Zoey runs the 400 meter dash, her finishing times are normally distributed with a mean of seconds and a standard deviation of 1 second. What percentage of races will her finishing time be slower than 77 seconds, to the nearest tenth?

answer: 140

step-by-step explanation:

so just add all then it will be your answer but i am not pretty sur eif it is but hope this i am here to people

7 ft 6 in means 7 1/2, because 6 in is 1/2 of a foot. 7 ft 8 in means 7 2/3 because 8 in is 2/3 of a foot. 23/3 = 7 2/3. 15/2 = 7 1/2.

23/3   *   15/2   = 57 1/2

step-by-step explanation:

3

step-by-step explanation:

but there’s no any figure there!