CH 5 – P(A or B) if Independent
MyStatLab
Pearson
They give you the probability of P(A) and they give you the probability of P(B), then ask you the probability of (A or B) if both are independent.
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They give you the probability of P(A) and they give you the probability of P(B), then ask you the probability of (A or B) if both are independent.
Your numbers will vary.
Talks about a cable company offering HD cable. The company wishes to have over-the-phone service issues resolved within 30 minutes and has been monitoring these calls for the past 3 months. You’re given a table with this data and are asked to find the probability of the problem is resolved within 30 minutes OR internet relates. Also, other probabilities are provided.
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They give you a group of male and female students and ask what the probability of exactly one male being selected without replacement. Also provided is the probability of no males selected and both males selected.
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Determine if distributions are valid probability distributions; explain your answer.
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Compute the expected value and the standard deviation of the distribution.
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Determine if probability distribution is valid. Explain. Determine probability x = 30, x less than or equal to 25, x greater than 30.
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Determine expected value for executives and middle managers. Compute variance, standard deviation, and compare overall.
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Determine the probability answer all questions correctly, incorrectly, at least one correctly and answering at least half correctly.
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Determine if binomial experiment, probability all selected save nothing for retirement, exactly four save nothing, at least one saves nothing.
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Find the probability that 2 or fewer will withdraw, exactly 4 will withdraw, more than 3 will withdraw, expected number.
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