"we are interested in testing the following hypothesis (the null: mu1 - mu 2 is less than or equal to 0. the alternative: mu1 - mu 2 is greater than 0) at an alpha level of significance and sigma is known. the test statistic z is 2.83. th ep-value for this test is "

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41

Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches.approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *

Atravel agent is booking a trip to england, scotland, ireland, and france for a group of senior citizens. the agent sent surveys to the group, asking which countries they would like to visit, in order, and created the shown preference schedule (e = england, i = ireland, s = scotland, f = france). which country is the condorcet winner? number of votes 15 12 16 19 1st f e e i 2nd e s i s 3rd s i s e 4th i f f f 1. scotland 2. england 3. france 4.ireland