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How can you tell when you should use the ANOVA versus a t-test? What is one problem with using the ANOVA when the t-test is the appropriate data analysis?
The probability of success for any trial of a binomial experiment is 25%. Find the probability that the proportion of successes in a sample of 500 is less that 22%. Repeat with a sample of 800. Repeat with a sample of 1,000.
Whenever the calculated value of t is equal to or greater than the tabled value of t, for a given number of degrees of freedom, then
N=120, population standard deviation is (known) 5, alpha =.05, standard error of the mean (sigma of xbar)= .46, h0 is rejected if xbar
Define probability and explain its three perspectives. Provide an example of each. Explain the concept of mutually exclusive events. How do you compute the probability P(A or B) when A and B are, and are not, mutually exclusive.
Her results (in hours until turning a particular shade of brown) are in the table below. At ∞= .01, did she see a difference between the two treatments?
Compare the means of two populations using 96% confidence interval:
Is there sufficient evidence to support the claim that site has an effect on the amount of pesticide?
If student is chosen at random, determine the probability that he or she is sophomore and owns a credit card.
Bill is doing a project for you in the marketing department. In conducting his analysis regarding consumer behavior and a new product that has come out
The probability that a patient recovers from a disease is 63%. What is the probability that:
Determine the probably of selecting a female or an accounting major? Which rule of addition did you apply?
Carry your intermediate computations to at least four decimal places. Round your answer to at least two decimal places.
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