An urn contains 5 red balls and 15 white balls. Two balls are to be selected fro

Question

An urn contains 5 red balls and 15 white balls. Two balls are to be selected from the urn

Give an example of a simple event.

What is the complement of the first ball being red?

What does the sample space consist of?

a.)Which of the following is an example of a simple event?

Selecting at least one red ball is a simple event

Selecting no red balls is a simple event

The first ball being red and the second ball being white is a simple event

The first ball being red is a simple event.

b.)What is the complement of the first ball being red?

Selecting no red balls

The second ball being red

The second ball being white

The first ball being white

What is the complement of the first ball being red?

                  a.)The sample space consists of 5 red balls and 5 white balls

                  b.) The sample spaces consist of 5 red balls and 15 white balls

                  c.) The sample space consists of 15 red balls and 5 white balls

Explanation / Answer

Simple event : First ball is white

Complement: First ball is white

Sample Space is the superset of all possibilities

Sample space: (Red,Red) , (Red,White) (White,White) (White,Red)

A.

Option 4. The first ball being red is a simple event.

B.

Option 4. The first ball being white

Complement of first ball being red is First ball is white

b.) The sample spaces consist of 5 red balls and 15 white balls

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