Answer:
-8.1
Step-by-step explanation:
If you’re solving for x, it’s x=2,-4
Answer: 75% of the rate lies in 47 per month and 55 per month.
Step-by-step explanation:
The mean rate for a satellite television from a sample of households was $51.00 per month, with a standard deviation of $2.00 per month.
According to the Chebychev's Theorem, atleast
% of the data lies within k standard deviation from the mean.
For k=2
![1-\dfrac1{2^2}=1-\dfrac14=\dfrac34=0.75\ or \ 75\%](https://tex.z-dn.net/?f=1-%5Cdfrac1%7B2%5E2%7D%3D1-%5Cdfrac14%3D%5Cdfrac34%3D0.75%5C%20or%20%5C%2075%5C%25)
Alteast 75% of data lies within 2 standard deviation from mean.
i.e. 51-2(2) per month and 51+2(2) per month
i.e. 47 per month and 55 per month
Hence, 75% of the rate lies in 47 per month and 55 per month.
Not sure what you’re asking, but, if you’re looking for the expanded form... hope that helps?
Answer:
1. D
2. A
Step-by-step explanation:
Brainliest please?