Probability of Cookie Selection

Medium Problem Solving And Data Analysis Probability And Statistics

A bakery makes a variety of cookies. The probability of choosing a chocolate chip cookie is $$\frac{3}{10}$$, the probability of choosing an oatmeal raisin cookie is $$\frac{1}{5}$$, and the probability of choosing a peanut butter cookie is $$\frac{1}{4}$$. What is the probability of choosing a cookie that is either a chocolate chip or an oatmeal raisin cookie?

$$\frac{3}{10}$$

$$\frac{5}{10}$$

$$\frac{11}{20}$$

$$\frac{7}{20}$$

Hint

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