A blood plasma donation company accepts 40 4040 volunteers per day. Based on previous data, they know that 15 % 15%15, percent of volunteers will be turned away for some reason. Let X XX represent the number of patients that get turned away in a set of 40 4040 volunteers. Find the mean and standard deviation of X XX.

On the way home from visiting his family, vincent’s plane cruised at an altitude of 3.2 × 10^4 feet. he had heard that a man named felix baumgartner skydived from an altitude of 1.28 × 10^5 feet. vincent wants to know how much higher felix went on his skydiving trip. question 1 you have already seen how adding numbers works in either scientific notation or standard notation. but can you subtract numbers in scientific notation and get the same results as subtracting in standard notation? to find out, first solve vincent’s problem in standard notation. part a write the cruising altitude of vincent’s plane in standard notation.