Which of the parameters are used to calculate the confidence interval for the population mean (large sample size, any probability distribution)?

a. population standard deviation

b. sample standard deviation

c. population size sample size

d. population mean sample mean

Which of the following starements is true based on the above information?

As with any small island country, cuba has fewer natural resources than countries such as brazil. this affects their economy in that cuba a) exports only manufactured products. b) exports more products than it imports.. c) must import more products than it exports. d) has imposed trade barriers against the united states.

The two-factor theory of emotion was proposed by