Question

Use the image to answer the question.

A Venn diagram with two intersecting circles is labeled with decimal numbers. The first circle is labeled “Pets,” and the second circle is labeled “Siblings.”
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Inside the first circle is the number 0.35, and inside the second circle is the number 0.43. Inside the area where the two circles overlap is the number 0.11. To the right of the second circle is the number 0.11.


The Venn diagram displays the probability that a particular child in Mr. Brown’s class has a pet or a sibling, or both. What is the probability that the child has a pet or a sibling? Enter your response as a decimal.

(1 point)
The probability that the child has a pet or a sibling is
.

Answer 1

0.89

Explanation: The union includes pets only (0.35) + siblings only (0.43) + both (0.11) = 0.35 + 0.43 + 0.11 = 0.89. Alternatively 1 − neither (0.11) = 0.89.