Afriend cuts your cake into two pieces: one is 1/3 of the cake and the other is 2/3. if you flip a coin to decide which piece is yours, what is the expected value of the proportion of the cake you will get?

Jack lives on a farm and has a large backyard. the area of his rectangular backyard is of a square mile. if the width of the yard is of a mile, what fraction of a mile is the length of the rectangular backyard?

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?

In the triangles, bc =de and ac fe.if the mzc is greater than the mze, then ab isdfelth