Prоvide аn аpprоpriаte respоnse.A club elects a president, vice-president, and secretary-treasurer. How many sets of officers are possible if there are 11 members and any member can be elected to each position? No person can hold more than one office.
Prоvide аn аpprоpriаte respоnse.A researcher wishes to estimate the number of households with two tablets. What size sample should be obtained in order to be 90% confident that the sample proportion will not differ from the true proportion by more than 4%? A previous study indicates that the proportion of households with two tablets is 24%.
Prоvide аn аpprоpriаte respоnse.The mean monthly gasoline bill for one household is greater than $110. If a hypothesis test is performed, how should you interpret a decision that rejects the null hypothesis?