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Suppose that in the hypothesis test with null hypothesis Ho: μ = 14.0 at a= 0.05, that the value of 13.0 for sample mean results in null hypothesis not being rejected. That corresponds to confidence interval result of
A) The 95% confidence interval for mean contains the value 14.0B) The 95% confidence interval for mean does not contain the value 14.0C) There is insufficient information as to if 95% confidence interval for mean does or does ot contain value13.0D) 0.05% confidence interval for mean contains the value 13.0.
Find the prediction equation for the price of a laptop using rating and features. What is the value of the residual standard deviation?
Revenue of Large Businesses A researcher estimates that the average revenue of the largest businesses in the United States is greater than $24 billion.
Determine probability, P(Z
Consider the following two economic characteristics with two possible outcomes each: employment (increase, decrease) and economic trend (positive, negative).
The trail was repeated 54 times with 22 correct identifications and 32 wrong identification.
A survey found that women's heights are normally distributed with mean 63.6 in and standard devistion 2.5 in. a branch of the military requires women's heights to be between 58 in and 80 in. What is the percentage of women who meet the height requ..
A producer of pleasure boats wants to maximize revenue during the next month. Two types of boats are sold, x1 and x2. Type x1 sells for $40,000 and type x2 sells for $30,000. The x1 boats require 10 weeks of labor and 600 board feet of lumber each..
The diameters of peaches in a certain orchard are normally distributed with a mean of 3.85 inches and a standard deviation of 0.42 inches. Show all work.
Can we conclude that the mean age of the population from which the sample may be presumed to have been drawn is less than 60 years? Let α = .05
The average score on math portion of SAT was 516 in 2002. Assume that the math score of all students taking the SAT 2002 were normally distributed with a mean of 516 and a standard deviation of 90.
If we know that 20 people will attend, what price should be charged per person to break even?
Find out z values for 29 and 34 hours. What percent of garages take between 32 hours and 34 hours to erect?
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