Prоvide аn аpprоpriаte respоnse.Classify the two given samples as independent or dependent.Sample 1: Pre-training weights of 19 peopleSample 2: Post-training weights of 19 people
Prоvide аn аpprоpriаte respоnse. Use the Standard Normal Table to find the probability.IQ test scores are normally distributed with a mean of 100 and a standard deviation of 15. Find the IQ score that corresponds to a z-score of 1.96.
Prоvide аn аpprоpriаte respоnse.A candidate for governor of a certain state claims to be favored by at least half of the voters. If a hypothesis test is performed, how should you interpret a decision that rejects the null hypothesis?
Prоvide аn аpprоpriаte respоnse.Find the critical value and rejection region for the type of z-test with level of significance α.Left-tailed test, α = 0.05
Prоvide аn аpprоpriаte respоnse.Decide whether the experiment is a binomial experiment. If it is not, explain why. Each week, a man plays a game in which he has a 23% chance of winning. The random variable is the number of times he wins in 60 weeks.
Prоvide аn аpprоpriаte respоnse.Compare the scores: a score of 75 on a test with a mean of 65 and a standard deviation of 8 and a score of 75 on a test with a mean of 70 and a standard deviation of 4.
Prоvide аn аpprоpriаte respоnse.For which confidence interval for the difference in the means μ1 - μ2, would you reject the null hypothesis?
Prоvide аn аpprоpriаte respоnse.Given H0: μ ≤ 12, for which confidence interval should you reject H0?
Prоvide аn аpprоpriаte respоnse.Find the area of the indicated region under the standard normal curve.
Prоvide аn аpprоpriаte respоnse.In one city, 29% of adults smoke. In groups of size 120 of adults, what is the variance of the number that smoke ?