The left-hand "tail" of the standard normal curve can be defined as the part
that lies at least 2 standard deviations to the left of the mean.
According to the empirical rule, approximately what percentage of the area
under the whole curve is in the left-hand tail? Round your answer to the
nearest tenth.
A. 16%
B. 5%
C. 0.1%
D. 2.5%

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?

Acertain population of bacteria demonstrates exponential growth doubles in size every 4 days. how long will it take the population to triple in size?

Which inequalities can be used to find the solution set of the following inequality? check all that apply. |2x – 5| (2x – 5) (2x + 5) –(2x – 5) –(2x + 5)