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IFoA_CAA_M0 Exam - Topic 9 Question 36 Discussion

A discrete random variable can only take the values 2,3,4 or 5. The probabilities associated with some of the outcomes are: P(X=2) = 0.2, P(X=3) = 0.3, P(X=5) = 0.1.For a randomly drawn value of X, calculate P(X>3).
C) 0.5
A) 0.1
B) 0.4
D) 0.8

IFoA_CAA_M0 Exam - Topic 9 Question 36 Discussion

Actual exam question for IFoA's IFoA_CAA_M0 exam
Question #: 36
Topic #: 9
[All IFoA_CAA_M0 Questions]

A discrete random variable can only take the values 2,3,4 or 5. The probabilities associated with some of the outcomes are: P(X=2) = 0.2, P(X=3) = 0.3, P(X=5) = 0.1.

For a randomly drawn value of X, calculate P(X>3).

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Suggested Answer: C

by Lai at May 06, 2022, 11:53 PM

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Deandrea
8 months ago
Nah, it’s definitely 0.5!
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Tiffiny
9 months ago
I think it’s 0.4, right?
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Buffy
9 months ago
Wait, what’s P(X=4)? Did we miss that?
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Keneth
9 months ago
Totally agree, it's 0.1 + P(X=4).
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Kina
9 months ago
P(X>3) means we look at P(X=4) and P(X=5).
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Leota
9 months ago
I practiced a similar question where we had to find probabilities for ranges. I think P(X>3) should be 0.4 based on what we know.
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Paris
9 months ago
I think P(X>3) means we need to consider P(X=4) and P(X=5), but I can't recall what P(X=4) is.
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Jaleesa
9 months ago
I remember we calculated probabilities like this in class, but I'm not sure if I added them correctly.
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Vivan
9 months ago
Wait, does P(X>3) include P(X=3)? I thought it only counted values greater than 3.
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Leonor
9 months ago
Hmm, I'm a bit confused on the differences between para-virtualization and other virtualization techniques. I'll need to think this through carefully.
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Adell
10 months ago
The APIC sounds familiar, but I can't recall if it's specifically for the COOP database. Did we cover that in class?
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Omer
10 months ago
I'm feeling pretty confident about this one. Option B is the clear choice - using the Cloud Data Loss Prevention API to redact sensitive data before it's ingested into BigQuery.
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