Which of the following are valid probability distributions for a discrete random variable?
Check all that apply.
D A
1
1 137
2.3.4.5.60
B.
1 1 1 1 1 1 1 1
27'3' 16 32 64 128 128
C.
1 1 1 1 1
5' 5' 5' 5'5
D.
1 1 11
5.53
E.
1 1 1 1
12 12 12 12.6
1 1 1 1 1
12 12 12 12.6
SUBMIT

The table below shows the height of a ball  x  seconds after being kicked.  what values, rounded to the nearest whole number, complete the quadratic regression equation that models the data? f(x)  =  x2  +  x  +  0based on the regression equation and rounded to the nearest whole number, what is the estimated height after 0.25 seconds?   feet

The weekly amount spent by a company for travel has an approximately normal distribution with mean = $550 and standard deviation = $40. a) what is the probability that the actual weekly expense will exceed $570 for more than 20 weeks during the next year? (note: one year = 52 weeks) b) what is the probability that actual weekly expenses exceed $580 for 10 or more, but 16 or fewer weeks during the next year?

3! 10 points 5 6 12 10 3! x 4! 10 points true false 143 143 20 points captionless image true false 27 27 30 points captionless image 208 209 210 211 0! 10 points 0 1 10 100 4! /3! 20 points 2 3 4 5