Which table is a probability distribution table?
X Blue Orange Green Purple
P 0.3 0.4 0.5 -0.2
X Blue Orange Green
PO 1 1
Purple
0
X Blue Orange
P 0.6 0.05
Green
0.05
Purple
0.3
X Blue Orange Green Purple
P0.4 0.4 0.2 0.1

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?

Which of the following lines does not intersect the line y=-2x+3 ? a) y=2x b) y=2x-3 c) y=2x+3 d) y=-2x-3

What is coefficient of the term of degree of degree 5 in the polynomial below