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Student-t distribution table with a 99% confidence level and an n of 21 what is the critical value of t? In a left-tailed test and and an n of 29 what is the critical value of t with a 5% significance level? In a two tailed test with an n of 25 what are the critical values of t with a 1% significance level? In a left tailed test with a of two independent samples with an n of 16 in sample a and an n of 16 in sample b what is the critical value of t value of t with a 1% significance level? The calculated value for t is -1.501, The test is a left tailed test. The n is 20. What is the best estimate of the p value used the student t table. Please show solutions
During the 2004 election year, new polling results were reported daily. In an IBD/TIPP poll of 910 adults, 503 respondents reported that they were optimistic about the national outlook, and The President's leadership index jumped 4.7 points to 55...
Using the Binomial Distribution, find the probability that if Air Northeast books 21 people on a flight, not enough seats will be available for all booked passengers.
A population of disk drives manufactured by a certain company runs with mean seek time of 10 milliseconds with standard deviation of 0.1 milliseconds. What proportion of samples of size 250 would you expect to result in a mean less than 9 millisec..
Find a point estimate of the population standard deviation. (Consider using the fillhandle here.) How do the 10 point estimates of the population mean compare to the actual population mean
The amounts (in ounces) of juice in eight randomly selected juice bottles from a normally distributed population are given below. Construct a 95% confidence interval for the mean amount of juice in all such bottles. Round the confidence interval ..
in basketball a players free throws percentage ft is expressed as a number between 0 and 1 which represents the
in a large lecture class the professor announced that the scores on a recent exam were normally distributed with a
Construct a 90% prediction interval for sales when the total sq footage is 4.2 billion. The equation of the regression line is yhat=499.967x - 1595.147.
Do you think that these types of statistics can ever be accurate? How could this statistic be biased? In what ways could scientists misinterpret the results of their studies and come up with an incorrect statistic? What are your thoughts?
A farmer has 40m of fencing with which to enclose a rectangular pen.Given that the pen is x m wide - show that it's area is (20x - x^2)m^2 and deduce that the maximum area that he can enclose (Answer given 100m^2).
in the basic economic order quantity eoq model a doubling of estimated annual demand would lead to what change in
if a couple were planning to have three children the sample space summarizing the gender outcomes would be bbb bbg bgb
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