A psychology test has personality questions numbered 1,2,3, intelligence questions numbered 1,2,3,4, and attitude questions numb

Question

2 years ago

15

ered 1,2. If a single question is picked at random, what is the probability that the question is an intelligence question OR has an odd number?

1 answer:

In-s [12.5K] · Answer 1 · 2022-09-10T07:13:22+03:00

6 0

Answer:

7/9.

Step-by-step explanation:

There are a total of 9 questions,

The odd numbers are 1,1,1,3,3 = a total of 5 .

Probability (it is an odd number) = 5/9.

Probability (It is an intelligence question of even number) = 2/9.

Required probability = 5/9 + 2/9

= 7/9.