ASQ CSSBB Exam - Topic 4 Question 27 Discussion

Actual exam question for ASQ's CSSBB exam

Question #: 27
Topic #: 4

[All CSSBB Questions]

A and B are events. P(A) = 0.80 and P(B) = 0.90.

Aevents A and B are disjoint or mutually exclusive

Bevents A and B are not disjoint or mutually exclusive

CP(A and B) = 0

DP(A and B) = 1.7

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Suggested Answer: B

by Elke at May 03, 2022, 11:30 PM

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4 months ago

P(A) = 0.80, P(B) = 0.90, so they overlap for sure.

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4 months ago

Not sure about that, seems fishy to me.

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4 months ago

Wait, how can P(A and B) = 0 if both are so high?

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4 months ago

Totally agree, they must overlap!

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5 months ago

A and B can't be disjoint, P(A) + P(B) > 1.

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5 months ago

This question seems straightforward, but I want to make sure I understand the key points before answering.

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