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UkoKoshka [18]
3 years ago
9

Jackiehas 7dresses, 4hats, and 8pairs of shoes. She will choose an outfit that has one dress, one hat, and one pair of shoes. Ho

w many different outfits are possible?
Mathematics
1 answer:
victus00 [196]3 years ago
5 0
The answer is 224. hope this helps
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Answer:

0.192 - 1.645\sqrt{\frac{0.192(1-0.192)}{250}}=0.151

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Information given

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In order to find the critical value we need to take in count that we are finding the interval for a proportion, so on this case we need to use the z distribution. Since our interval is at 90% of confidence, our significance level would be given by \alpha=1-0.90=0.1 and \alpha/2 =0.05. And the critical value would be given by:

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If we replace the values obtained we got:

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0.192 + 1.645\sqrt{\frac{0.192(1-0.192)}{250}}=0.233

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