The juror pool for the upcoming murder trial of a celebrity actor contains the names of 100,000 individuals in the population who may be called for jury duty. The proportion of the available jurors on the population list who are Hispanic is 0.40. A jury of size 12 is selected at random from the population list of available jurors. Let X = the number of Hispanics selected to be jurors for this jury.
a. Is it reasonable to assume that X has a binomial distribution? If so, identify the values of n and p. If not, explain why not.
b. Find the probability that no Hispanic is selected.
c. If no Hispanic is selected out of a sample of size 12, does this cast doubt on whether the sampling was truly random? Explain.

  • CreatedSeptember 11, 2015
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