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noname [10]
3 years ago
7

I need help please what is the correct answer

Mathematics
1 answer:
Sedbober [7]3 years ago
7 0
Y = 0.8597(60) + 73.4728
y = 124.9468

About 125 g
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Which answer choice shows 12.444 rounded to the nearest half?
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C. 12

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Remember 0 to 4 turn it back

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Since 12.444 is around 0 to 4.

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An appliance manufacturer claims to have developed a compact microwave oven that consumes a mean of no more than 250 W. From pre
Shtirlitz [24]

Answer:

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Alternate Hypothesis, H_A : \mu > 250 W    

Step-by-step explanation:

We are given that an appliance manufacturer claims to have developed a compact microwave oven that consumes a mean of no more than 250 W.

They take a sample of 20 microwave ovens and find that they consume a mean of 257.3 W.

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On the other hand, <u>alternate hypothesis sates that</u> the mean power consumption of microwave ovens is more than 250 W.

The test statistics that would be used here is <u>One-sample z test statistics</u> as we know about the population standard deviation;

                       T.S. =  \frac{\bar X-\mu}{\frac{\sigma}{\sqrt{n} } }  ~ N(0,1)

Hence, this would be the appropriate hypotheses to determine if the manufacturer's claim appears reasonable.

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