A Bag Contains 5 White Balls and 5 Red Balls

question 106

Multiple Choice

A bag contains 5 white balls and 5 red balls. Construct a probability tree to determine the probability that if 2 balls are drawn, with replacement, the first ball is red R or the second is white W. ​

• A) Pr(R first ∪ W second) =
• B) Pr(R first ∪ W second) = 1
• C) Pr(R first ∪ W second) =
• D) Pr(R first ∪ W second) =
• E) Pr(R first ∪ W second) =

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Definitions:

Pneum/o

A prefix used in medical terms related to the lungs or air, such as in pneumonia (infection of the lungs).

Combining Form

A word root to which a vowel is added, used in constructing scientific and medical terms.

Xer/o

A prefix in medical terminology meaning dry, often used to describe conditions of dryness in the body.

Hem/o

A prefix related to blood, used in medical terminology.