Answer:240 km
Step-by-step explanation: 600 ÷5 = 120, 120 × 2 = 240 km
I think that's the answer I'm not sure but hope this helps ;)
Answer:
3
Step-by-step explanation:
Because you can see there was one cube length in figure A and there was 3 cubes length in figure B.
Using basic distance = speed x time, and rearranging it for speed as the subject...
Answer:
The larger sample sizes gives a narrower confidence interval
Step-by-step explanation:
The larger sample sizes gives a narrower confidence interval, that is, a more "precise" estimation of the elections results.
In a confidence interval of proportions, we have that the lower end is given by:
![L = \pi - z\sqrt{\frac{\pi(1-\pi)}{n}}](https://tex.z-dn.net/?f=L%20%3D%20%5Cpi%20-%20z%5Csqrt%7B%5Cfrac%7B%5Cpi%281-%5Cpi%29%7D%7Bn%7D%7D)
In which
is the probability of a sucess,
is a value from the Z table and n is the length of the sample.
The upper end is given by:
![U = \pi + z\sqrt{\frac{\pi(1-\pi)}{n}}](https://tex.z-dn.net/?f=U%20%3D%20%5Cpi%20%2B%20z%5Csqrt%7B%5Cfrac%7B%5Cpi%281-%5Cpi%29%7D%7Bn%7D%7D)
As n increases, the difference between U and L decreases. This means that the confidence interval gets narrower.
Answer:
it is babylonia huming by chris