A study of 800 people finds that: 380 like puzzles, 500 like reading, 425 like video games, 270 like puzzles and reading, 150 like puzzles and video games, 210 like reading and video games, 95 like all three

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

she drove 134 miles

step-by-step explanation:

it’s the first one your welcome

step-by-step explanation:

yes it represnts a functio, their are not 2 of the same numbers on the both sides