4 How
Total
42
122
2
Rangi counted the number of people in 50 cars
that passed her on the road into the town. Here
is her record:
1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 1, 4, 2, 1,
1, 3, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 2, 1, 1, 3, 1,
1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1,3,1, 1, 1, 2
Construct a frequency table for these results

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?

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?