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Assuming that the heights of college women are normally distributed, with a mean of 69 inches and standard deviation of 4.8 in, what is the percentage of women that are between 69 in. and 73.8 in?
The number of customers using the service desk has a Poisson distribution. What is the probability that during a randomly selected half-hour period no more than 2 customers use the service desk?
Use .05 significance level to test the claim that blood pressure levels for women differs from the blood pressure levels of men.
Choose any Statistic business problem and develop a problem statement which can be addressed with survey research. Prepare a 10-13 question survey to collect primary data regarding your selected problem statement.
Assume the probability that a person has the desease is 0.09 for all people, independently of each other, and compute the expected number of tests necessary for the entire group of 154 people.
Definition and Concepts of modern business statistics? What is the scope of business statistics. key terms and elements of business statistics?
The average monthly electric bill of a random sample of 256 residents of a city is $90 with a standard deviation of $24.
Determine the pairs which are significant according to LSD and what pairs are important according to Bonferroni?
What are the theoretical considerations of hypothesis testing and why are these considerations important when conducting research studies?
A research report summarizes the results of the hypothesis test by stating,"z = 2.13, p
Where should the warranty limits be set so that only 10 percent of the HDTVs need repairs at the manufacturer's expense?
We want to test the hypothesis that population B has a smaller variance than population A.
Findout the probability value for normal distribution. Illustrate the weight of football players is normally distributed with a mean of 200 pounds also a standard deviation of 25 pounds.
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