Answer:
awh happy holidays to you too!! and ty for this
The answer is r=16 you have to square everything
Answer:
always true.
the expression will always be equal to +5 because -p+p is zero
at any given value to p, the value is constantly +5

- the number of green blocks which is equal to the number of favourable events

- the number of all blocks, which is equal to the number of all possible outcomes
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