1 There are 3 statistics teachers is a classroom. Their ages 30, 40 od 50. A 40 year old stais
cates fe classe
A The meze age and variance will decrease.
B. The meze age will decrease sad varizace increase
C. The meze age will increase sed variance will decrease.
D. The me age and variance will increase
E The meze age will stay the same and varizace will decrease.

Assume that 1400 births are randomly selected and 1378 of the births are girls. use subjective judgment to describe the number of girls as significantly high, significantly low, or neither significantly low nor significantly high. choose the correct answer below. a. the number of girls is neither significantly low nor significantly high. b. the number of girls is significantly high. c. the number of girls is significantly low. d. it is impossible to make a judgment with the given information.

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11

A. what is the area of the base? use complete sentences to explain your reasoning. b. what is the volume of the prism? use complete sentences to explain your reasoning.