lizzyhearts
25.02.2021 •
Mathematics
Please help me answer this:)
Will give you brainlst ^
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Answers on questions: Mathematics
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Ответ:
7th grade- Pet= 27 No Pet= 22 Total= 49
8th grade- Pet= 14 No Pet= 19 Total= 33
Total- Pet= 41 No Pet= 41 Total= 82
Ответ:
16.67%
Step-by-step explanation:
The theoretical probability is:
P(black) = 6/12 = 0.5
The experimental probability is:
P(black) = 14/24 = 0.583
The percent error is:
e = (0.583 − 0.5) / 0.5 × 100%
e = 16.67%