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IFoA Exam IFoA_CAA_M0 Topic 2 Question 70 Discussion

Actual exam question for IFoA's IFoA_CAA_M0 exam
Question #: 70
Topic #: 2
[All IFoA_CAA_M0 Questions]

The probability density function f(x) for a random variable Xis definedover the interval 0 to 1.

f(x) = 2(1-x).

Calculate the probability that X is greater than 0.5.

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Suggested Answer: D

Contribute your Thoughts:

Georgeanna
6 days ago
Okay, let me think this through step-by-step. The probability density function is f(x) = 2(1-x), which is defined over the interval 0 to 1. To find the probability that X is greater than 0.5, I need to integrate the function from 0.5 to 1. That gives me 0.75. Looks like the correct answer is C.
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Adell
7 days ago
How did you get 0.75? Can you explain your rationale?
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Dorethea
10 days ago
I disagree, I calculated it to be 0.75.
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Adell
11 days ago
I think the probability that X is greater than 0.5 is 0.25.
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