Question

Don'te is sitting on the bus on the way home from school and is thinking about the fact that he has three homeworkassignments to do tonight. The table below shows his estimated probabilities of completing 0, 1, 2, or all 3 of theassignments.Number of Homework Assignments Completed0123Probability162951813What is the probability he will not do exactly 1 assignment?2/9Ob 7/9Ос 7/18Od 1

Answer 1

SOLUTION

Don'te is sitting on the bus on the way home from school and is thinking about the fact that he has three homework assignments to do tonight.

The table below shows his estimated probabilities of completing 0, 1, 2, or all 3 of the

assignments.

Number of Homework

Assignments Completed Probability

0 1/ 6

1 2/ 9

2 5/18

3 1/ 3

What is the probability he will NOT do exactly 1 assignment?

1/ 6 + 5 / 18 + 1/ 3 = 7 / 9 ................. OPTION B