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The capacity of an elevator is 8 people or 1232 pounds. The capacity will be exceeded if 8 people have weights with a mean greater than 1232/8=154 pounds. Suppose the people have weights that are normally distributed with a mean of 162 lb and a standard deviation of 28 lb. Find the probability that if a person is randomly selected, his weight will be greater than 154 pounds.
A package contains 18 candy canes, 13 of which are cracked. If 4 are selected, find the probability of getting exactly four cracked candy canes.
Define mixed designs and name two assumptions of mixed designs
In a sample of n = 15 selected from an underlying normal distribution, we obtain standard deviation s =10. Test the null hypothesis that the population standard deviation σ = 16.
A study revealed that the probability a judge acquitting a randomly chosen defendant was 0.17 while the probability that a jury would acquit a randomly chosen defendant was 0.33. Further, the probability that both a judge and a jury would have ..
What is the difference between an experimental and a quasi-experimental design - How might break-even analysis help decision makers to deal with risk and uncertainty in utility analysis?
An airline is deciding how many reservations to accept for a new flight from Indianapolis to Chicago. The plane has a capacity of 200 seats. Because only 90 percent of passengers typically show up for this flight, they need to determine how many tic..
To find the standard deviation of the diameter of wooden dowels, the manufacturer measures 19 randomly selected dowels and finds the standard deviation of the sample to be s = 0.16. Find the 95% confidence interval for the population standard deviati..
Allergic reactions to poison ivy can be miserable. Plant oils cause the reaction. Researchers at Allergy Institute did a study to determine the effects of washing the oil off within 5 minutes of exposure. A random sample of 1000 people with known all..
Suppose that a random variable x has normal distribution with mean=80 and standard deviation=18. Calculate the following probabilities for the sample mean if the sample size is 36.
a)Complete the ANOVA table. b) What is the multiple standard error of the estimate?c) What is R2?
Compute descriptive statistics to create a customer profile for each CardioGood Fitness treadmill product line.
What is the General Linear Model (GLM)? Why does it matter and compare and contrast parametric and nonparametric statistics. Why and in what types of cases would you use one over the other?
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