5 7 points
5) In a game, the player wins if he rolls a 2 on a number
cube. If the number cube is rolled 30 times, then what is
a reasonable prediction for the number of times he rolls
a 2?
A) 10
B) 15
C) 5
D) 2
A
ООО
B
С

The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? probability distribution px(x) 6 hours 7 hours 8 hours 9 hours 10 hours 0.62 0.78 пол