Let a and B Be Events with P(A)=0

question 13

Multiple Choice

Let A and B be events with P(A) =0.4, P(B) =0.8 . Assume that A and B are independent. Find P(A and B)

• A) 0.32
• B) 0.5
• C) 0.4
• D) 0.8

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Definitions:

Test Difficulty

The measure of how challenging an examination or a set of questions is, often determined by the proportion of test-takers who answer correctly.

Experimental Group

The group in an experiment that receives the variable being tested, contrasted with a control group that does not.

Randomly Assigned

A method used in experiments where participants are allocated to different groups in an unpredictable manner to reduce biases and ensure validity.

Erectile Disorder

A condition in which an individual struggles to achieve or keep an erection during sexual activities.