The probability of at least one head in two flips of a coin is _____.
A) .33
B) .50
C) .75
D) 1

Name: The probability of at least one head in two flips of a coin is _____. A) .33 B) .50 C) .75 D) 1
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Question

Quizplus · Accepted Answer

The probability of getting at least one head in two flips of a fair coin is calculated by subtracting the probability of getting no heads (which is the outcome of getting tails twice, or (1/2) * (1/2) = 1/4) from 1. So, 1 - 1/4 = 3/4 or .75.

The Probability of at Least One Head in Two Flips