Answer:
The required sample size for the new study is 801.
Step-by-step explanation:
In a sample with a number n of people surveyed with a probability of a success of
, and a confidence level of
, we have the following confidence interval of proportions.

In which
z is the zscore that has a pvalue of
.
The margin of error is:

25% of all adults had used the Internet for such a purpose
This means that 
95% confidence level
So
, z is the value of Z that has a pvalue of
, so
.
What is the required sample size for the new study?
This is n for which M = 0.03. So






Rounding up:
The required sample size for the new study is 801.
Answer:
The slope is approximately 2 and the y-intercept is approximately 3.
Step-by-step explanation:
I don't know if this is right but I hope it is have an amazing day.
Answer: the answer is d trust me
Step-by-step explanation:
<h3>Answer:</h3>
5/6
<h3>Explanation:</h3>
There are 6 half-hours between 9 and 12. You will be there for 5 of them. The probability you will be there is 5/6.
Answer:
Step-by-step explanation:
Always include the steps and/or background required to get to the final answer. Let’s help other people understand and solve future problems on their own.