Explore BrainMass

Explore BrainMass

    probability problem

    This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

    Two events, A and B are equally likely. The chance that either A or B happens on a given trial of an experiment is 0.70, while the chance that they both happen on a given trial is only 0.40.

    What is the probability that event A happens?

    © BrainMass Inc. brainmass.com June 3, 2020, 5:00 pm ad1c9bdddf

    Solution Preview

    <br>I think the difficulty with this question is that it is hard to visualise so I have drawn a diagram (see attachment).
    <br>We are given:
    <br>the chance of A = the chance of B
    <br>the ...

    Solution Summary

    Help with a probability problem is given with a visual to explain.