# Chapter 10 Counting Methods and Probability - 10.4 Finding Probabilities of Disjoint and Overlapping Events - 10.4 Exercises - Skill Practice - Page 710: 20

$\frac{1}{52}$

#### Work Step by Step

We know that $P(\text{A or B})=P(A)+P(B)-P(\text{A and B})$. Hence here: $P(\text{A and B})=P(A)+P(B)-P(\text{A or B})=\frac{4}{52}+\frac{13}{52}-\frac{16}{52}=\frac{1}{52}$

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