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Three prisoners are informed by their jailer that one of them has been chosen at random to be executed and the other two are to be freed. Prisoner A asks the jailer to tell him privately which of his fellow prisoners will be set free, claiming that there would be no harm in divulging this information because he already knows that at least one of the two will go free. The jailer refuses to answer this question, pointing out that if A knew which of his fellow prisoners were to be set free, then his own probability of being executed would rise from 1/3 to ½ because he would then be one of two prisoners. What do you think of the jailer's reasoning?
Find the probability distribution for X defined as the number of defective items drawn (Hint: You have to find P(X=0), P(X=1) and P(X=2). You may have to use both multiplicative and additive rules to find P (X=1)).
data for a sample of 25 apartments in a particular neighborhood are provided in the worksheet apartments in the excel
Effective on 80% of women and 65% of men. it is known that 66% of the people who take drug are women. That is the probability that the drug is effective?
Under what circumatances do you use a one-sided confidence interval instead of a 2 sided confidence interval?
Ages of 56 attendees of a Harry Potter movie are shown. (a) Form seven age classes (10 to 20, 20 to 30, etc.). Tabulate the frequency of attendees in each class.
What is the probability that a candidate is over 60 and female? Given that the candidate is male, what is the probability he is less than 60? Given that the person is over 60, what is the probability the person is female?
The distribution of sample means? Compute the z-score for M=89 for a sample of n=25 scores. Is this sample mean in the middle 95% of the distribution?
What is the level of measurement for the variable, "political ideology" measured as "Very Conservative", "Conservative","Moderate", "Liberal" and "Very Liberal".
State the hypotheses that can be used to determine whether the population proportions of delayed departures differ at these two airports and what is the point estimate of the proportion of flights that have delayed departures atChicago O'Hare?
consider two random variables x and y. suppose that the variance of x is 20 that this of y is 10 and that the
1.females in a certain class rated their intelligence with a mean of 6.5. the males in the same class rated their
Draw a simulation experiment for car agency and simulate using fleet of four rental cars for 10 days.
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