Question

Help again

Answer 1

two seperate questions btw

Answer 2

anyone? @Aveline

Answer 3

Sorry, heading to bed. I'm afraid I can't help you rn.
@kropot72

Answer 4

crap

Answer 5

@kropot72 do you understand?

Answer 6

Have you calculated the M.E. for the first question?

Answer 7

i dont know what Z or C or S is
but this is my last test and its 1:45AM so im about to pass out

Answer 8

im sorry Kropot

Answer 9

It will take some time to explain the meaning of the symbols. Am I right in thinking that you don't have time for that?

Answer 10

i have to wake up tomorrow or today at 6:00 AM but i guess you can

Answer 11

i have 30 mins on the test left too

Answer 12

z is given as 1.96.
s is the standard deviation of the sample, given as 5.
n is the sample size, given as 60.
Can you now substitute these values in the formula that is stated in the question?

Answer 13

1.26?

Answer 14

i just fell asleep..i wont pass this test

Answer 15

im on 5 out of 10

Answer 16

Well I rounded to 1.27. Therefore the 95% confidence interval is 28 - 1.27, 28 + 1.27, which is 26.73, 29.27. Can you now choose the correct answer?

Answer 17

B

Answer 18

27, since it is in the middle

Answer 19

Yes, B is correct.
Notice that the answer to the second question is given in the first question.

Answer 20

1.96?

Answer 21

Yes, that is correct.

Answer 22

i have two more questions then ill be done, mind to help me? ill start another question thing as well

Answer 23

Sorry, I must log out now.