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Natasha_Volkova [10]
3 years ago
5

Lee watches TV for 3 hours per day. During that time, the TV consumes 250 watts per hour. Electricity costs (12 cents)/(1 kilowa

tt-hour). How much does Lee's TV cost to operate for a month of 30 days?
Mathematics
1 answer:
lana66690 [7]3 years ago
7 0
<h2>184 cents in a month. </h2><h2>All you have to do is multiply 12 cents by 3 hours.Making it 36.</h2><h2>Then multiply 36 by 30.</h2>

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Volgvan

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30 men

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In order to be sure that the sample mean does differ from the population mean by more than 0.90, the sample size (n) that should be used is given by:

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8 0
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