Number 11 would be y= 9x- 6
Answer:
-6 < y < ∞
Step-by-step explanation:
The range is the value of the output, in this case the value of y
The value is from -6 not including -6 to infinity
-6 < y < ∞
Answer:
The percentage that of people who gave the movie a rating between 6.8 and 8.8
<em>P(6.8≤X≤8.8) = 83.9≅ 84 percentage</em>
Step-by-step explanation:
<u> Step(i):-</u>
Mean of the Population = 8.3 points
Standard deviation of the Population = 0.5 points
Let 'X' be the random variable in normal distribution
<em>Let X = 6.8</em>
![Z = \frac{x-mean}{S.D} = \frac{6.8-8.3}{0.5} = -3](https://tex.z-dn.net/?f=Z%20%3D%20%5Cfrac%7Bx-mean%7D%7BS.D%7D%20%3D%20%5Cfrac%7B6.8-8.3%7D%7B0.5%7D%20%3D%20-3)
Let X = 8.8
![Z = \frac{x-mean}{S.D} = \frac{8.8-8.3}{0.5} = 1](https://tex.z-dn.net/?f=Z%20%3D%20%5Cfrac%7Bx-mean%7D%7BS.D%7D%20%3D%20%5Cfrac%7B8.8-8.3%7D%7B0.5%7D%20%3D%201)
The probability that of people who gave the movie a rating between 6.8 and 8.8
<em>P(6.8≤X≤8.8) = P(-3≤Z≤1)</em>
= P(Z≤1)- P(Z≤-3)
= 0.5 + A(1) - ( 0.5 -A(-3))
= A(1) + A(3) (∵A(-3)=A(3)
= 0.3413 +0.4986 (∵ From Normal table)
= 0.8399
<u><em>Conclusion:-</em></u>
The percentage that of people who gave the movie a rating between 6.8 and 8.8
<em>P(6.8≤X≤8.8) = 83.9≅ 84 percentage</em>
A ≈ 78.46 ft
To find the answer just look up the formula for finding area with circumference and plug in the circumference
If you subtract 2 from 9 you'll get 7. Add 7 to three and you'll get y=10 when x=3.