At 8:38 P. M., a parachutist is 3800 feet above the ground. At 8:49 P. M., the
parachutist is 1400 feet above the
ground. Find the average rate of
change in feet per minute.

218.18 feet per minute

Step-by-step explanation:

3800-1400= 2400

2400/ 11= 218.18

answer: expected value of x = 1.0

step-by-step explanation:

p(x=0) = 0.25

p(x=1) = 0.50

p(x=2) = 0.25

expected value for x = 0×0.25 + 1×0.5 + 2×0.25 = 1.0

77

step-by-step explanation: