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Check my answer please?

Check my answer please?
asked 46.0k views
2 votes
Check my answer please?

Check my answer please?-example-1
asked
User Saanch
by
7.9k points

1 Answer

4 votes
Hello,

In my old memories,
p(μ-2σ<=X<=μ+2σ)=95%
p(μ-3σ<=X<=μ+3σ)=99%


1000-2*200=1000-400=600
1000+2*200=1000+400=1400

Answer A



answered
User Pantaziu Cristian
by
7.8k points
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