All you need to do is divide the number of students by the number of students a bus can hold.
540 / 45 = 12.
Answer:
it answer would be 50% coz we take out percentage from 100.
Step-by-step explanation:
first add 17% and 33% it would be 50%
then subtract 50%from 100%
answer would be 50%
Answer:
I think it is A
Step-by-step explanation:
Answer:
At least 1022 new moms should be recruited.
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:
95% confidence level
So , z is the value of Z that has a pvalue of , so .
How many individuals should the researcher recruit to participate in the study if the researcher wants to be 95% confident that the margin of error is no more than 3.0%?
At least n new moms should be recruited.
n is found when
Rounding up
At least 1022 new moms should be recruited.
Answer:
lol
Step-by-step explanation: