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Roger has read a report that the weights of adult mail Siberian tigers have a distribution which is approximately normal with mean μ = 390 lb and σ = 65 lb.
a) Find the probability that an individual male Siberian tiger will weigh more than 450 lb.
b) Find the probability that a random sample of 4 male Siberian tigers will have a sample mean weight more than 450 lb.
I have computed an analysis of variance for three groups with 10 observations per group. Evaluate the degrees of freedom for the F test
One of the major measures of the quality of service provided by any organization is the speed with which responds to customer complaints. A large family-held department store selling furniture and flooring, including carpet, had undergone a major ..
Utilizing jacobian method finding the probability density function. Utilizing either the CDF method or Jacobian method illustrate the probability density function of Y is given.
Based on these data, explain whether or not course attendance had any effect on determining of a restaurants violation of health code.
A university found that 20 percent of its students withdraw without completing the introductory statistics. Assume that 20 students registered for the course.
Compute mean and standard deviation for sample of N = 8 females and sample of N = 8 for males.
The standard deviation of the population of adult female height scores is 3 inches. A random sample of 50 women yields a mean height of 64 inches. Calculate the standard error of the mean.
At.05 significance level, can we conclude that larger proportion of the agents think the economy is expanding this month?
Would it be reasonable to conclude that the population distribution is Poisson with a mean of 2.0?
The first unit produced after the calibration effort to be found to be defective. What is the probability that machine is in adjustment?
The number of customers at a specialty meat store averages about 1500/day. The exact number varies from day to day. On Fridays before long weekends, the number of customers increases to about 3000. Which of the following statements is correct
Conduct a hypothesis test using H 0 : σ 2 = .009216 to see whether the sample data indicate that the variability in interest rates changed.
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