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mestny [16]
3 years ago
15

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

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?
Mathematics
1 answer:
In-s [12.5K]3 years ago
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.

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