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Find the sample size needed to estimate the percentage of adults who have consulted fortune tellers. Use a 0.03 margin of error, use confidence level 0f 98%, and use results from prior Pew research Center poll suggesting that 15% of adults have consulted fortune tellers.Type your question here
If probability of getting sample mean x less than unreported sample mean is 0.025, determine value of the unreported sample mean?
Assume the condition of Normality is met for the problem below. I also want to know the following elements: (Please do not use the Student t test, nor a Chi-square test) Two-tailed test ok?
Determine the following:Mean, Median and Variance.
Can you conclude that u1 is not equal to u2 at alpha=.05? State the hypothesis in orders of 1-2. construct a 99% confidence interval for the difference in true means. State the confidence interval in terms of 2-1.
If an employee is selected for promotion, find the probability that the employee will be under 25 or a female. Express your answer as a fraction in lowest terms.
What is the difference between the mean of the two groups? What is the difference in the standard deviation?
What are the singleton subsets of X and Y? are the empty set and the sample space the singleton subsets?
Find the equation of linear regression for the above data and obtain the expected salary for an engineer with 45 years of experience. Round to the nearest $100.
area of interest gender relationships between leaders who score high on sociopathology tests. ceo as sociopath null
How long is a broken machine out of service and how many machines are awaiting repair - the repair time follows an exponential distribution, and Ray repairs the machines in the order in which they break down.
Using the levels of significance given below: What is the rejection point at α = .10 and indicate if you would accept or reject H o ? t .10 =
At the .01 significance level, can we conclude that there is more variation in the selling prices of the oceanfront homes?
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