I think it is C but it also could be B as well
Answer:help me with my questions
Step-by-step explanation:
I think it's 6.80 hope it helped
Answer:
95%
Step-by-step explanation:
The empirical rule states that if data follows normal distribution then the percentage of observations falls within one, two and three standard deviation around the mean are
i) 68% falls within one standard deviation
ii) 95% falls within two standard deviation
iii) 99.7% falls within three standard deviation.
Hence 95% of the observations will fall within two standard deviations around the mean if the data follows normal distribution.
Answer: 
Step-by-step explanation:
Circumference formula: 
