Question

In a class of 160 students, 90 are taking math, 78 are taking science, and 62 are taking both math and science. What is the probability of randomly choosing a student who is not taking science?

Answer 1

69%
49%
51%
44%

Answer 2

As a first step, can you find the number of students who are not taking science?

Answer 3

is that 90?

Answer 4

The total number of students is 160. The number taking science is 78. How many are not taking science?

Answer 5

82

Answer 6

@kropot72 hey you ther still?

Answer 7

There are 78 students in total taking science. As stated above, the amount of students not taking science is 82. The total number of students is 160. Hence the probability is 82/160. Can you simplify this fraction?

Answer 8

okay thanks i get it now