Free Practice Question
PS · Problem Solving
sub-505
Probability
A biased coin shows heads with a probability of 0.6. If this coin is tossed twice, what is the likelihood of it landing on heads both times, or tails both times?
Answer Choices
Correct answer marked belowA
0.36
B
0.42
0.52
Correct
D
0.56
E
0.64
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Explanation
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Official Explanation
Official
The probability of obtaining heads on two consecutive flips is calculated as: 0.6 * 0.6 = 0.36. The probability of getting tails on a single flip is: 1 - 0.6 = 0.4. Thus, the probability of getting…
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Comments
2
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Y
YatharthOct 25, 2024
Thanks for sharingThank you for sharing!!thanks for sharing
K
KrishanuJan 2, 2024
Thankss
What this question tests
What it tests
Your ability to compute probabilities of single and compound events, including 'at least one' questions.
Common trap
Forgetting to use the complement for 'at least one', or treating dependent events as independent.
Details
Difficulty
sub-505
Type
PS
Category