Selecting a Student In a statistics class there are 18

Chapter 4, Problem 11E

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QUESTION:

Selecting a Student In a statistics class there are 18 juniors and 10 seniors; 6 of the seniors are females, and 12 of the juniors are males. If a student is selected at random, find the probability of selecting the following.

a. A junior or a female

b. A senior or a female

c. A junior or a senior

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QUESTION:

Selecting a Student In a statistics class there are 18 juniors and 10 seniors; 6 of the seniors are females, and 12 of the juniors are males. If a student is selected at random, find the probability of selecting the following.

a. A junior or a female

b. A senior or a female

c. A junior or a senior

ANSWER:

Step 1 of 5

A statistics class consists of 18 juniors and 10 seniors.

Here 6 of the seniors are female, and 12 of the juniors are males.

A student is randomly selected.

We have to find the following probabilities.

(a) A junior or a female.

(b) A senior or a female.

(c) A junior or a senior.

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