Answer:
0.0000
Unusual
Step-by-step explanation:
Given that a tobacco company claims that the amount of nicotine in its cigarettes is a random variable with mean 2.2 mg and standard deviation .3 mg.
i.e. population parameters are

The approximate probability that the sample meanwould have been as high or higher than 3.1

=0.0000
C. 56
Hope this helped lol I needed more characters
Answer:
x=70°
Step-by-step explanation:
x+110=180 linear pair
x=180-110=70
The first one, the fourth one, and the middle one