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Janet was asked the following question on her Probability Test:    Q: A class has 7 boys...

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Statistics

Janet was asked the following question on her ProbabilityTest:    Q: A class has 7 boys and 6 girls. Theteacher will be picking two volunteers at random to do therecycling. What is the probability that the teacher picks one boyand one girl?

Janet's answer along with her explanation is shown below:

Well there is a 7/13 chance of picking a boy and a 6/13 chanceof picking a girl- therefore, the probability of picking a boy ANDa girl will be P(Boy) x P(Girl) = 7/13x6/13=42/169=25%.

Explain , in detail if you agree with her answer. Include inyour answer references to independent and dependent events. If youagree that her answer is correct, explain why. If you disagree withher answers, explain what she did wrong and include the correctsolution.

Answer & Explanation Solved by verified expert
4.0 Ratings (520 Votes)
solutionDependent events Two events are said to bedependent if the outcome of one event effects outcome of othereventEx There are 5 marbles in a bag 4 are blue and 1 is red If amarble is selected at random    See Answer
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