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Exam 6: Random Variables and Discrete Probability Distributions
Exam 1: Why Study Statistics11 Questions
Exam 2: An Introduction to Statistics and Statistical Inference53 Questions
Exam 3: Tables and Graphs for Summarizing Data28 Questions
Exam 4: Numerical Summary Measures34 Questions
Exam 5: Probability54 Questions
Exam 6: Random Variables and Discrete Probability Distributions23 Questions
Exam 7: Continuous Probability Distributions45 Questions
Exam 8: Sampling Distributions50 Questions
Exam 9: Confidence Intervals Based on a Single Sample51 Questions
Exam 10: Hypothesis Tests Based on a Single Sample65 Questions
Exam 11: Confidence Intervals and Hypothesis Tests Based on Two Samples or Treatments45 Questions
Exam 12: The Analysis of Variance12 Questions
Exam 13: Correlation and Linear Regression57 Questions
Exam 14: Categorical Data and Frequency Tables23 Questions
Exam 15: Nonparametric Statistics66 Questions
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Eighty percent of the people who see a particular movie love it and plan to see it again soon.If we randomly select 18 people who are exiting the movie theater after seeing this movie, what is the probability that fewer than 12 loved the movie and will plan to see it again soon?
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(48) We define random variable X as a count of shoppers who use the "self-scan" aisle at the local supermarket during the day.X is a(n) ________________ random variable.
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(47) An experiment consists of tossing a balanced coin three times.Each individual coin toss results in either a heads (H) or a tails (T).We define a random variable ( 
) as a count of heads from a given trial.How many experimental outcomes result in 
?
) as a count of heads from a given trial.How many experimental outcomes result in ? (Multiple Choice)
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