Answer:
x - 5 = x - 2 and
x - 5 = 2 - x.
Step-by-step explanation:
x - 5 may be positive or negative so we have:
x - 5 = x - 2
and
x - 5 = - (x - 2)
x - 5 = 2 - x.
Answer:
social media mentions do managers at Apple need to collect, if they want to get a margin of error of 2%
Sample size 'n' = 625
Step-by-step explanation:
<u><em>Step(i)</em></u>:-
Given data Apple launches an ad campaign for iPhone 12
Managers want to know what is the % of social media mentions that have positive reactions to the new ad campaign
probability of positive reactions p = 1/2
Probability of negative reactions q = 1-p = 1/2
we know that 
<u><em>Step(ii):</em></u>-
Given margin of error = 2 % =0.02
The margin of error is determined by



√n = 25
squaring on both sides, we get
n = 625
Answer:
ok. ok. ok. ok. ok. ok. ok. ok. ok. ok.
Answer:
only 16
Step-by-step explanation:
18/2=9 not 8
12/2=6 not 8
16/2=8
20/2= 10 not 8