Which expression is undefined? A.
5
(8-8)
B. (4-0)
-4
C.(11-11)

O D. 0 : 3

Let the mean of the population be 38 instances of from 6" - 9" hatchings per nest, and let the standard deviation of the mean be 3. what sample mean would have a confidence level of 95% or a 2.5% margin of error?

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?

50 people men and women were asked if they watched at least one sport on tv. 20 of the people surveyed are women, but only 9 of them watch at least one sport on tv. 16 of the men watch at least one sport on tv. make a a two-way table and a relative frequency table to represent the data.