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This question is from a practice quiz that I already took. I am trying to understand the formula needed to obtain the answer. I think I understand how to find the T Statistic 17.5-20/ 10/ 6.324555 but I am struggling with the next steps. (critical value and confidence limits)
Test the claim at α = 0.10 that μ = 20. A sample size of 40 yields a sample mean of 17.5 and a sample standard deviation of 10. What is the upper confidence limit with 3 decimal places?
During my office hours (from 1pm to 4pm), an average of about 1 student per hour comes in for help. Assuming that the probability of a student coming.
Find the mean and standard deviation of the distribution of sample proportions of free throws made if we take random samples of the given size.
Two divisions of Napoleon's army are camped on opposite hillsides, both overlooking the valley in which enemy forces have massed. - How much time will pass before the two commanders coordinate the attack?
Find and sketch the probability density function of the functions given.
open the StatCrunch file Housing_Prices_Categorical_ Factors. The varia bles in the file are explained in the file description in StatCrunch. Look at the description of the variables in the file and the variables themselves and develop a "research q..
Should you choose to take this retest? Explain.- Now explain to your friend what his decision should be and why.
What is the standard error of the average house price for a sample of 133 houses? (Use 4 decimals.)
The following is a random sample of the wealth, in billions of U.S. dollars, of individuals listed on the Forbes "Billionaires" list for 2007.- Construct a 90% confidence interval for the average wealth in $ billions for the people on the Forbes li..
use the given information to find the p value. also use a 0.05 significance level and state the conclusion about the
I have five simple scenarios that state a problem, gives the p-value from an appropriate hypothesis test. For each scenario, I need to state the null and alternate hypotheses and use the given p-value to:
Seeds. Information on a packet of seeds claims that the germination rate is 92%. What's the probability that more than 95% of the 160 seeds in the packet?
A. Specify the appropriate hypothesis to test whether the program is working.
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