- #1

- 176

- 0

ATTEMPT:

[tex]

n = \frac{(z_{\alpha} + z_{\beta})^2 \sigma^2}{\delta^2} = \frac{(1.645+1.28)^2 \cdot 9}{1^2} = 77.0006[/tex]

So, at least 78 buns.

Correct answer. At least 82 buns.

What's wrong?

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- Thread starter superwolf
- Start date

- #1

- 176

- 0

ATTEMPT:

[tex]

n = \frac{(z_{\alpha} + z_{\beta})^2 \sigma^2}{\delta^2} = \frac{(1.645+1.28)^2 \cdot 9}{1^2} = 77.0006[/tex]

So, at least 78 buns.

Correct answer. At least 82 buns.

What's wrong?

- #2

Mark44

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