According to cbs money watch, the average monthly household cellular phone bill is $100. suppose monthly household cell phone bills are normally distributed with a standard deviation of $11.35. a. what is the probability that a randomly selected monthly cell phone bill is more than $127

Express the following as a function of a single angle, cos(60) cos(-20) - sin(60) sin(-20)

What is the size of the matrix resulting from

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.