Use the given information to find the number of degrees of freedom, the critical values x{ and XÃ, and the confidence interval estimate of a. It is reasonable to assume that a simple random sample has been selected from a population with a normal distribution
Nicotine in menthol cigarettes 99% confidence; n = 25, s= 0.29 mg.

answer: since the question is talking about growth you have to use the growth formula which is inital amount (1 + growth)^time

step-by-step explanation:

the intial amount is 1200, the growth is 4.8, and the time is 7. plug those numbers into the equation, also i think you have to change 4.8 into a percent. but, i have forgotton how to do that. if this is a online class go on to the lesson.

answer: -2+√x,-2-√x

i hope this , i don't know if you're looking for a pair or not.