A coin is weighted so that P(T) = 2P(H). What is P(H)?
Correct answer A. 1/3
Explanation
Since P(H) + P(T) = 1 and P(T) = 2P(H), we get 3P(H) = 1, so P(H) = 1/3.
Answer checked How we write and check questions
Tip: press A, B, C or D to answer, and N for the next question.
Advertisement
More Probability questions
See allIf P(B|A) = 0.25 and P(A ∩ B) = 0.2, what is P(A)?
Correct answer D. 0.8
What does A ∩ B mean?
Correct answer B. The elements of A and B
Advertisement
If A is the set of males in a town and B the set of females in that town, what are A and B?
Correct answer B. Non-overlapping sets
If one card is chosen from a standard pack, what is the probability that it is a diamond (♦) or a club (♣)?
Correct answer B. 26/52 = 1/2
Discussion