subject
Mathematics, 07.12.2021 22:40 isaiahjohnson2594

In a random sample of 400 headache suffers, 85 prefer a particular brand of pain killer. How large a sample is required if we want to be 99% confidence that our estimate of percentage of people with headaches who prefer this particular brand of pain killer is within 2 percentage points? Round your answer to the next whole number

ansver
Answers: 1

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 14:00, williamrobinson93
How can you find the conditional probability of a given b as the fraction of b’s outcomes that also belong to a, and interpret the answer in terms of the model? i just need a good explanation
Answers: 2
image
Mathematics, 21.06.2019 14:30, camp591
The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase
Answers: 2
image
Mathematics, 21.06.2019 18:10, hellodarkness14
Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial
Answers: 1
image
Mathematics, 21.06.2019 20:00, danielburke24
How long does it take natsumi to clean up after she is done? table: .area time30. 245. 2.7560. 3.5
Answers: 2
You know the right answer?
In a random sample of 400 headache suffers, 85 prefer a particular brand of pain killer. How large a...

Questions in other subjects:

Konu
Mathematics, 10.10.2019 20:00
Konu
Mathematics, 10.10.2019 20:00