Chapter 14.CR, Problem 42E

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4th Edition

James Stewart + 2 others

ISBN: 9781305071742

Textbook Problem

**25-42 ■ Probability **These exercises involve probability.

**Selecting Cards** Three cards are randomly selected from a standard

**(a)** All three cards are kings.

**(b)** Exactly two of the cards are jacks.

**(c)** None of the cards is a face card.

**(d)** At least one of the cards is a face card.

To determine

(a)

**To find:**

The probability that all three cards are kings if three cards are randomly selected from a standard

Explanation

**Approach:**

Write the formula to find the probability

Here,

**Calculation:**

Substitute

To determine

(b)

**To find:**

The probability that exactly two of the cards are jacks if three cards are randomly selected from a standard

To determine

(c)

**To find:**

The probability that none of the cards is a face card if three cards are randomly selected from a standard

To determine

(d)

**To find:**

The probability that at least one of the cards is a face card if three cards are randomly selected from a standard

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