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Should you use a binomial distribution? Please give a reason for your answer. In a random sample of students X is the number of hours a person studies.
estimating the sample standard deviation using normal score.for a sample with a mean of m 85 a score of x 90
Find the number of viewers that represents the 75th percentile and on one particular night, 24 million people watched 60 minutes. Is this unusual?
Ms. Maria Wilson is considering running for mayor of the town of Bear Gulch, Montana. Before completing the petitions, she decides to conduct a survey of voters in Bear Gulch. A sample of 400 voters reveals that 300 would support her in the Novemb..
If an urn is selected at random and a ball is drawn, find the probability it will be red.
As a public health personnel, you conducted a survey and collected economic and health data on households in a township that is known to have a high prevalence of heart disease.
Can you describe a data set for which one would one would prefer to use the median rather than the mean and can you think of a situation for which the mean would be preferred to the median and the mode?
Suppose that on a 100-point test, the goal is for the students' exam scores to have a standard deviation of less than 10 pts. A recent sample of 22 exams has a standard deviation of 12.1. Use alpha = 0.05.
If the airline books 76 people on a flight for which the maximum number is 74, what is the probability that the number of people who show up will exceed the capacity of the plane?
If a simple random sample of 50 players was taken, what is the probability that the sample mean will exceed $210,000?
a farm brings 15 tons of watermelons to market. find 95 confidence interval for the population mean? given a population
the mean of iq is 100 and the standard deviation is 16. sarah is in the 92nd percentile. what is a possible iq score
The mean maximum oxygen uptake for elite athletes has been found to be 80 with a standard deviation of 8.1. Assume that the distribution is approximately normal.
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