Answer:
3/7
Step-by-step explanation:
21w - 21 = -12
21w = -12 +21
21w = 9
w = 9/21
i.e w= 3/7
Since the sample size is too small (n = 9, which is less than 10) we cannot use the normal model to describe the entire population.
Therefore, we expect the sample mean to be different from the population mean.
Answer:
24
Step-by-step explanation:
(10-1) x 2 + 2 x 3
9 x 2 + 6
18 + 6
24
Answer:
($0.30,$[2.42])
Step-by-step explanation:
Please, see the attached files.
Thanks.