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A state executive claims that the average number of acres in Western Pennsylvania state parks is less than 1,774 acres. A random sample of 5 parks is selected and the number of acres is shown at alpha= 0.05, find the critical value. 944, 1036, 790, 5842,566
The winning team's score in 13 high school basketball games was recorded. If the sample mean is 54.3 points and the sample standard deviation is 11.0 points, find the 98% confidence interval of the true mean.
For each sample, carry out a Z test using the five steps hypothesis testing with a two-tailed test at the .05 significance level, and make a drawing of the distributions involved.
In a random sample of 16 mountain climbers who are going to attempt Mt. McKinley, what is the probability of each of the following?
The taxicab company claims that the mean travel time between two destinations is about 21 minutes. Reject this claim. Explain how to write the null and alternative hypothesis.
Given this information we could use a Z test for two independent means and conclude that indeed the sales are different when the soup is a featured item.
Can and how would you apply basic probability concepts to facilitate business decision making? Critically discuss the difference between discrete and continuous probability distributions?
Evaluate the value of the F statistic for Devices- I plan an experiment to test the latest conflicting diet programs. The factor for Diet will involve three different levels: low fat, low carbohydrate, and low calorie. The other factor will involve..
Determine a 90% confidence interval estimate of the mean head circumference of all two-month-old babies.
A parent is deciding which babysitter to use in the neighborhood. Babysitter A charges $20 per hour and a base rate of $60 per day. Babysitter B charges a base rate of $50 per day and $25 per hour.
What is the number of personnel records that should be sampled, at minimum, to satisfy the requirements?
Suppose four heads appeared face up on four tosses of a coin. what is the probability that a head will appear face up in the next toss of the coin?
Compute the mode, median and mean for the college students and compute the mode, median and mean for the parents' data
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