All else being equal, if you cut the sample size in half, how does this affect the margin of error when using the sample to make a statistical inference about the mean of the normally distributed population from which it was drawn?

What is a quartic function with only the two real zeros given? x=-4 and x=-1

Factor x2 - 8x + 15.

Write into algebraic expression. The Product of 9 and x, decreased by the sum of 8 and the square of x.

Arnold had three pieces of different colored strings that are all the same length Arnold cut the blue string and a two equal sides links he cut the red string into three equal sitelinks and the green string into six equal sitelinks he needs to cut

If 5x-3 = 27-3x then what is 9x+7

Which pairs of numbers represent a number and its reciprocal? 1 and 1 2/3 and - 3/2 1/2 and 5 6 and 1/6 -4/7 and - 7/4

On a recent day, 8 euros were worth $9 and 24 euros were worth $27. Write an equation of the form y = kx to show the relationship between the number of euros and the value in dollars.

A table shaped like a solid cube needs to painted. All six faces of the table must be painted. The edge length of the table is 1.2 m. What is the total surface area that will be painted? A) 7.2 B) 1.728 C) 8.64 D) 5.76

What is s the mean of this set of data 1,5,8,10,11,4,8,9

Write as a product: p^2 - (2p+1) ^2