The test scores of 300 students are distributed normally with a mean of
78 and a standard deviation of 8. Find the number of students with scores between 71% and 87%.

Can someone explain the steps to this question as well? It'll be a great help!

Fiona and her friends are playing a game by guessing where a coin will land when it is randomly dropped inside the square shown below. fiona guesses that the coin is likely to land in the blue area. which explains whether or not fiona is correct and why?

Convert 50 kilogram to pounds. (the conversion factor from kilogram to pound is 2.2046.) a. 52.2 lb. b. 110.2 lb. c. 22.6 lb. d. 47.8 lb.

Is a triangle with angle measures 46 degree,35 degree and 100 degree possible