3.249 X 10^-2
Step-by-step explanation:
2.
3.
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
the answer is c: divide the arc's degree measure by 360°, then multiply by the circumference of the circle.