The area is 19.5 and the perimeter is 23.1
The normal rule to remember is 68-95-99.7, i.e. plus or minus three sigma corresponds to 99.7% of the probability. That leaves 0.3% in the two tails, or 0.15% in the tail above 3 sigma.
Answer: 0.15%
Answer:
I would say C
Step-by-step explanation:
I said C because when people look for information they look at different sources instead of just one.