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LukeJV8757
01.06.2021 •
Mathematics
In recent survey, 80% of the community favored building a police substation in their neighbourhood. If 15 citizens are chosen, what is the standard deviation of the number favoring the substation?
A: 0.55
B: 2.40
C: 1.55
D: 0.98
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Ответ:
For the first question its -7/3. For the second it is 0. Sorry if I get it wrong :(
Step-by-step explanation: