The commencement coordinators announced to the Chancellor that students request on average 4 tickets to the graduation ceremonies. It is known from previous years that the standard deviation is 1.2. They take a sample of 200 students and find that the average is actually 4.15. Do a test to determine if there is evidence that the average number of tickets requested is not four at a five percent level of significance. Is the test statistic for this test Z or t

If a boat travels 3 miles in 1.5 hours how far will it travel in 2 hours?

Bella want to know what the students at her school think of her show. which is the best group to survey to find this information a. go to the mall and ask all of the students she recognizes from school b. ask her viewers to call in durning an episode of the show c. get a list of students at her school from the office and use a random number generator to pick 30 of them d. get a list of students at her school from the office and pick the first 30 students on the list

3. a sum of $2700 is to be given in the form of 63 prizes. if the prize is of either $100 or $25, find the number of prizes of each type.