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Suppose you are going to select a sample of 5 cards from a randomized standard deck of 52 cards. Let the random variable X represent the total number of diamonds that you obtain. (A) If you sample the cards without replacement, what is the probability distribution of X? In this case, what is the probability that at most 2 of the cards will be diamonds? (B) If you sample the cards with replacement, what is the probability distribution of X? In this case, what is the probability that at most 2 of the cards will be diamonds?
Answer the following three questions based on what you know about statistics now.
A U.S. Department of Justice report included the claim that "in spouse murder cases, wife defendants were less likely to be convicted than husband defendants
The average number of visitors on 10 randomly chosen days is computed. What is the probability that the estimated average exceeds 16,000?
Calculate the mean, median, and standard deviation for ounces in the bottles and construct a 95% Confidence Interval for the ounces in the bottles.
A Pew Research study regarding cell phones asked questions about cell phone experience. One growing concern is unsolicited advertising in the form of text.
computer response time is an important application of the gamma and exponential distributions. suppose that a study of
Display the data in a histogram for the weekday greens fees for nine holes of golf. How would you describe the shape of the data?
A real estate agent collects data to develop a model that will use the Size of a new home (in square feet) to predict its Sale Price (in thousands of dollars). Which of these is most likely to be the slope of the regression line: 0.008, 0.08, 0.8,..
The opening gross sales for the movie Lucy is $43.90 and $29.80 for Hercules. What is the predicted total gross sales value for each of the two movies?
Show that this is the distribution of the number of failures before the first success in Bernoulli (p) trials.
Assuming a normal distribution of measurement values, determine the 95% confidence interval for the population standard deviation of instruments produced by this manufacturer.
Use simulation to find the expected value of the number of persons having knowledge of the rumor.
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