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" New York has a lottery game called Quick Draw, in which the player can pick anywhere from 1 up to 10 numbers from 1 to 80. The computer then picks 20 numbers, and how much you win is based on how many of your numbers match the computer s. For simplicity, we will only consider the two...
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Just simple Word format will do. And the length doesn't matter as long as the question get's explained. This is just a daily question from my instructor.
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Imagine you are conducting a left tailed test of proportions; level of significance is 0.05; calculated z-value is -2.00; What is the critical z-value ?? What is the p-value ?? What is the decision regarding H0 ?? and why ??
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"You are completing a one sample, right tailed test of proportions; level of significance is 0.01; calculated z-value is 2.50; What is the critical z-value?? What is the rejection criteria?? What is the p-value? What is the decision regarding H0? " "Imagine...
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Consider randomly selected a student at a certain university, and let A denote the event that the selected individual has a Visa credit card and B={Master Card}, P(A)= .5, P(B)= .4, and P(A
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What is the probability that the student carries a credit card given he s a sophomore
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The population of lengths of aluminum-coated steel sheets is normally distributed with a mean of 30.05 inches and a standard deviation of 0.3 inches. What is the probability that the average length of a steel sheet from a sample of 9 units is more than 29.95 inches long?
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Until this year the mean braking distance of a Nikton automobile moving at 60 miles per hour was 175 feet. Nikton engineers have developed what they consider a better braking system. They test the new brake system on a random sample of 64 cars and determine the sample mean braking distance...
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Assignment attached. 1. (TCO B) The population of lengths of aluminum-coated steel sheets is normally distributed with a mean of 30.05 inches and a standard deviation of 0.3 inches. What is the probability that the average length of a steel sheet from a sample of 9 units is more than 29.95...
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The effect of an antidepressant drug varies from person to person. Suppose that the drug is effective on 80% of women and 65% of men. it is known that 66% of the people who take drug are women. That is the probability that the drug is effective?
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- 1. A school administrator wonders if students whose first language is not English score differently on the math portion of the sat exam than students whose first language is English. The mean SAT math score of students whose first language is english is 516 on the basis of data obtained from the college board. A simple random sample of 20 students whose first language is not English result in a sample mean SAT math score of 522. SAT math score are normally distributed with a population standard deviation of 114. Why is it necessary for SAT math scores to be normally distributed to test the hypothesis?
- 2. What are the steps espoused by Applied Statistics in Business and Economics for formal hypothesis testing? Why is the sequence important?
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