Answer:
The problem is not provided so I cannot solve anything.
Step-by-step explanation:
Answer:
D for the first one and the second one
Step-by-step explanation:
i learned this trust me
Answer:
61
Step-by-step explanation:
you have to do 3 x 18 which is 54 then you have to add 7 which is 61
Answer: a) 84 and b ) 2084
Step-by-step explanation:
Given : Sample standard deviation : s= $22.82
(Population standard deviation is unknown ) , so we use t-test.
Critical value or the 95% confidence intervals :
Formula to find the sample size :

a) E = 5


i.e. Required sample size : n= 84
b) E = 1


i.e. Required sample size : n= 2084
Answer:
D
Step-by-step explanation: