Question

From a group of 6 freshmen, 5 sophomores, and 8 seniors, a

student is to be selected at random. What is the probability
that the selected student is
a) a senior
b) not a freshman?
….please help I don’t understand

Answer 1

1. The probability of selecting a senior is 0.42 (42%).

2. The probability of not selecting a freshman is 0.68 (68%).

Explanation:

Total students: 19

• Freshmen: 6
• Sophomores: 5
• Seniors: 8

1.
`(8)/(19) = 0.42`

2.
`(13)/(19) = 0.68`

Answer 2

a: 42%

b: 68%

Explanation: