Answer: 90
Step-by-step explanation: Multiply each side by 18.
29) 1/2
30) 3/5
31) 3/4
32) 8/10 equal 4/5
33 not sure
Answer:
D. We can be 95% confident that the proportion of all cell phone users who use text messaging is between 73.1% and 76.9%.
Step-by-step explanation:
The interpretation of a confidence interval of level x% means that we are x% sure that the interval contains the true mean of the population.
In this problem, we have that:
The population are all the cell phone users.
The 95% confidence interval is (73.1%, 76.9%).
Which of the following is an appropriate interpretation of the 95% confidence interval?
D. We can be 95% confident that the proportion of all cell phone users who use text messaging is between 73.1% and 76.9%.
81 if the number is higher than 5 or equal to 5 you round up
What do you mean by in words?
