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Read the article on "How Confidence Intervals are Used In Business" in the Instructor Insights tab for Week 7
(https://smallbusiness.chron.com/confidence-interval-affects-business-22021.html).
Provide one example of how a confidence interval could be used in a business, sports, health care, political, etc. environment. Please identify a level of confidence in your example (.90, .95, .99). Please explain in your response what concerns you would have using the confidence interval as a valid estimator of a population parameter and how you would go about addressing those concerns
Taking care to control for weather conditions and other variables as much as possible. Define the null hypothesis.
What are the most common reasons you would select a non-parametric test over the parametric alternative?
a pew research center poll used telephone interviews to ask american adults if parents are pushing their kids too hard
suppose fx y1 amp gx y xy 0lt x lt1 0ltylt1 determine the most powerful test of size ? .05 of hypxyf
Political prisoners Mathew, Mark, and Luke are told that two of the three are to be executed. Matthew takes the jailer aside and says, "We both know that at least one of the others, Mark or Luke, will be executed
The article states that "40 percent of those surveyed say they get sleepy on the job and their work suffers at least a few days each month, while 22 percent said the problems occur a few days each week. And 7 percent say sleepiness on the job is a ..
A certain type of tomato seed germinate 90% of the times. if a farmer plants 25 seed, What is the probability that: -exactly 20 germinates more than 19 germinates.
Suppose B^0 and B^1(beta hut 0 and beta hut 1) are the least squares estimates of B0 and B1 of the first model. Find the estimates of B0* and B1* in terms of B^0 and B^1.
The average hourly wage of employees of a certain company is $9.83. Assume the variable is normally distributed.
a new design for the braking system on a certain type of car has been proposed. for the current system the true average
A lottery game contains 29 balls numbered 1 through 29. What is the probability of choosing a ball numbered 30?
Uuse a level of significance of a =0.01 to test to see if you have sufficient evidence to support the claim that the defective rate exceeds 3%.
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