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Did you ever purchase a bag of M&M's candies and wonder about the distribution of col- ors? You can go to the website www.baking.m-ms.com and click the United States on the map, then clickAbout M&M's,thenProductsandPeanutand find the percentage breakdown according to the manufacturer, as well as a brief history of the product. Did you know in the beginning they were all brown? For peanut M&M's, 12 percent are brown, 15 percent yellow, 12 percent red, 23 percent blue, 23 percent orange, and 15 percent green. A 6-oz. bag
A professor is targeting a score of 80 on an exam. His forty-nine students averaged 78 on an exam with s = 7. Are the scores significantly less than 80 at a significance level of 0.05? Show your work and state the conclusion.
A person claims to have ESP (extrasensory perception). A coin is tossed 16 times, and each time the person is asked to predict in advance whether the coin will land heads or tails.
What is the approximate probability that the mean score X of these students is 23 or higher? D) Which of your two normal probability calculations in (a) and (c) is more accurate? Why?
What are the assumptions necessary to use the z-series test? What are the assumptions necessary of use the t-series test?
in a study of 420006 cell phone users 164 subjects developed brain cancer. test the claim that cell phone users
decide whether the random variable x is discrete or continuous. x represents the total number of die rolls required for
The average age of the evening students is significantly different from 21. Use a 0.01 level of significance."Compute the test statistic for the test stated in the problem"
Estimate the probability that a randomly chosen male patient will stay longer than a randomly chosen female patient.
A normal distribution with a mean of 68 years and a standard deviation of 3.5 years. What proportion of the plan recipients would receive payments beyond age 75?
the diameters of a new species of apple have a bell-shaped distribution with a mean of 7.26cm and a standard deviation
Explain how the proposed survey addresses your problem statement. Determine if your survey questions are appropriate for researching your business problem, and explain why they are.
The mayor of a small town would like to know whether a local bond issue is likely to pass or not. He mails a survey to 500 randomly selected voters.
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