Answer:
(-3,1)
Step-by-step explanation:
Answer:
d
Step-by-step explanation:
you can multiply the original x and y by 3 and get the second x and y
i hope this helps
80 divided by 15 Is =5.333333 which I don’t know how to round it but it would be around 5 at least
Answer:
The 99% confidence interval for the true population proportion of people with kids is (0.293, 0.547).
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 z-score that has a p-value of
.
Out of 100 people sampled, 42 had kids.
This means that
99% confidence level
So
, z is the value of Z that has a p-value of
, so
.
The lower limit of this interval is:
The upper limit of this interval is:
The 99% confidence interval for the true population proportion of people with kids is (0.293, 0.547).
Answer:
The first one and the last one
mark brainliest pls