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➷ Standard deviation = [tex]\sqrt{(n*p)(1 - p)}[/tex]
Substitute the values in:
[tex]\sqrt{(500 *0.84)(1-0.84)}[/tex] = 8.1975...
This can be rounded to give an approximate answer of 8.2
The answer is option A.
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➶ Hope This Helps You!
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