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Probability using Pareto chart.
1. Use the Pareto chart, which shows the results of a survey in which 500 adults were asked why they don't always eat healthy foods.
Find the probability of randomly selecting an adult from the sample who doesn't always eat healthy foods because he or she has no time to cook or is confused about nutrition.
2. Five players in a basketball team must choose a player on the opposing team to defend. In how many ways can they choose their defensive assignment?
3. An employer must hire 2 people from a list of 13 applicants. In how many ways can the employer choose to hire 2 people?
At the 0.05 level of significance, is there evidence that the population mean reimbursement was less than $100? Discuss the underlying assumptions of the test used in (a).
Assume H- to be true. What is the probability that this decision strategy will result in a type I error. Sketch the sampling distribution and put in the region of rejection?
In a two-sided hypothesis test to see if the average accounts receivable has changed, the best formulation of the null hypothesis is?
How many subsets of S contain either the number 6 or the number 15?
Research has shown that losing even one night's sleep can have a significant effect on performance of complex tasks such as problem solving ( Linde & Bergstroem, 1992).
Determine the standard score for the value x=452 realative to its sample, where the sample mean is 500 and the standard deviation is 32.
Using the Binomial Distribution, find the probability that if Air Northeast books 22 people on a flight, not enough seats will be available for all booked passengers.
Random sample of 100 voters showed that 55 of those sampled will vote for her. Is it likely that her assertion is correct at the 0.05 level of significance?
real estate agents always say location location location is the most important thing in buying a house. we want to know
Twenty-eight items are randomly selected from a population of 260 items. The sample mean is 38 and the sample standard deviation 5. Develop a 90 percent confidence interval for the population mean.
Let A and B denote genetic characteristics and suppose that the probability is 1/3 that an individual chosen will exhibit A, 2/5 that he or she will exhibit B. Assume that these characteristics occur independently. What is the probability that an ind..
Assuming that the distribution of the costs is normal, what is the probability that the average for this sample is between $400 and $425?
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