Minecraft Memes - The teacher: the test isn't that confusing...
The test:

Suppose the probability of selling a car today is 0.28. find the odds against selling a car today.

The head librarian at the library of congress has asked her assistant for an interval estimate of the mean number of books checked out each day. the assistant provides the following interval estimate: from 740 to 920 books per day. what is an efficient, unbiased point estimate of the number of books checked out each day at the library of congress?

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.