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dimaraw [331]
2 years ago
12

Can someone do this step by step because I really don’t understand this

Mathematics
1 answer:
Sergeu [11.5K]2 years ago
7 0

Answer:

I would need to see what you are talking about

Step-by-step explanation:

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Follows are the solution to this question:

Step-by-step explanation:

95 \% \ the confidence level for z:

\alpha = 1 - 95 \% \\\\

   = 1 - 0.95 \\\\        = 0.05

\to \frac{\alpha}{2} = \frac{0.05}{2} = 0.025\\\\\\to Z \  \frac{\alpha}{2} = Z_{0.025} = 1.96

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The population means estimate a 95 % confidence interval is:

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