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Drupady [299]
2 years ago
7

jill also got the expression 7x+1 and then wrote her answer 1xt7 is her expression an equivalent expression how do you know?

Mathematics
1 answer:
Dahasolnce [82]2 years ago
4 0

Answer:

No

Step-by-step explanation:

7x+1 means 7 x X + 1

1xt7 means 1 x X x T x 7

so they are different

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Answer:

0.428 - 1.96\sqrt{\frac{0.428(1-0.428)}{1165}}=0.3995

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Step-by-step explanation:

For this case we are interesting in the parameter of the true proportion of people satisfied with the quality of education the students receive

The confidence level is given 95%, the significance level would be given by \alpha=1-0.95=0.05 and \alpha/2 =0.025. And the critical values are:

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The confidence interval for the proportion if interest is given by the following formula:  

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And replacing the info given we got:

0.428 - 1.96\sqrt{\frac{0.428(1-0.428)}{1165}}=0.3995

0.428 + 1.96\sqrt{\frac{0.428(1-0.428)}{1165}}=0.4564

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3 years ago
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Answer:

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Step-by-step explanation:

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3 years ago
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Answer:

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Step-by-step explanation:

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