Since it's normally distributed, we can apply the emperical rule. The middle 95% will be within two standard deviations of the mean, so that means:
18-2(1.5), 18+2(1.5)=15,21
So we want the first option.
Answer:
3
Step-by-step explanation:
9-6
over
6-5
=3/1
simplify
m=3
180 times 4/100= 7.20- Sales tax
180+7.20= $187.20 is the total cost
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Answer:median
Step-by-step explanation: because median is used to be in the middle so those are numbers that would be in the middle, and if you add them up it would contain a high amount of number but if you subtract half you get your answer, and your Welcom!