Answer:
We are 90% confident that the true proportion of teenagers who have used at least one informal element in school writing assignments is between 0.464 and 0.518
Step-by-step explanation:
We can begin finding the estimator for the proportion of interest:
The confidence level is 90% , and the significance level would be given by and . And the critical value would be given by:
The confidence interval for the mean is given by the following formula:
Replacing the info given we got:
We are 90% confident that the true proportion of teenagers who have used at least one informal element in school writing assignments is between 0.464 and 0.518
5(2m+k)
Step-by-step explanation:
Factor the polynomial 10m+5k10m+5k by it's GCF: 55
5\left(2m+k\right)
5(2m+k)
Answer:
23 is the parallelogram
Step-by-step explanation:
I attached to pictures, one of me solving the equation for you step by step and then what the graph should look like when i put it in my calculator!!
- the slope is 2/3x and it translate down 3 units on the y-axis!!
Answer:
18
Step-by-step explanation:
9/50=18/100