1. Make a stem-and-leaf plot
|
Stem
Leaves
CAR SPEED, mph
45 52 47 35 48 50 51 43
40 51 32 24 55 41 32 33
36 59 49 52 34 28 69 47
29 15 63 42 35 42 58 59
39 41 25 34 22 16 40 31
55 10 46 38 50 52 48 36
21 32 36 41 52 49
52 49 45 32
52 45 56 35 55 65 20 41

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

saving = more money

step-by-step explanation:

if you have 100 bucks, and you want to buy a candy bar, even if you have one at home, if you choose not to buy it, you save.

~courtney

a 270° rotation about point p says on e d g e n u it y (had to space it out because it says it's a misspelling so i couldn't submit it