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Question 6Your answer is CORRECT.Identify the most appropriate test to use for the following situation:A private and a public university are located in the same city. For the private university, 1046 alumniwere surveyed and 653 said that they attended at least one class reunion. For the public university,791 out of 1327 sampled alumni claimed they have attended at least one class reunion. Is thedifference in the sample proportions statistically significant? a) Two sample ztest for meansb) Two sample ztest for proportionsc) One sample ttest for meansd) One sample ztest for meanse) Matched pairs ttest for meansf) One sample ztest for proportionsg) Two sample ttest for meansQuestion 7Your answer is CORRECT.A random sample of 169 cans of fruit nectar is drawn from among all cans produced in a run. Priorexperience has shown that the distribution of the contents has a mean of 12.11 ounces and a standarddeviation of 2.11 ounce. What is the probability that the average contents of the 169 sample cans isless than 11.86 ounces?
5/5/2019Print Test4/10Question 8Your answer is CORRECT.A random variable Xhas a probability distribution as follows:X0 1 2 P(X) 2k5k2k3k4What is P(X < 2)?3 4 kQuestion 9Your answer is CORRECT.Find a value of so that .Question 10Your answer is CORRECT.The following table displays the results of a sample of 100 in which the subjects indicated theirfavorite ice cream of three listed. The data are organized by favorite ice cream and age group. What is
5/5/2019Print Test5/10the probability that a person chosen at random will be under 20 years old if he or she favorschocolate?Age Chocolate Vanilla Strawberry Over 40 12 8 20-40 15 8 Under 20 11 16 10 12 8 a) b) c) d) e)