Use the at Least Once Rule to Find the Indicated

question 19

Multiple Choice

Use the at least once rule to find the indicated probability.
-The probability of winning $20 in a particular lottery is 0.04. What is the probability that you will get at least one $20 winner if you buy 90 tickets?

• A)0.975
• B)0.001
• C)0.025
• D)0.960

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A medical examination of the sigmoid colon by means of a flexible tube inserted through the anus to check for cancer, polyps, and other anomalies.

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