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DerKrebs [107]
3 years ago
10

The following data resulted from 15 independent measurements of the melting point of lead. 322.3 339.1 323.3 330.8 328.4 323.2 3

38.3 324.2 334.9 328.2 329.4 329.5 328.2 339.7 326.5 Assuming that the measurements can be regarded as constituting a normal sample whose mean is the true melting point of lead, determine a 95% confidence interval for this value.
Mathematics
1 answer:
BARSIC [14]3 years ago
4 0

Answer:

95% Confidence Interval: 329.73333333333 ± 2.53

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Step-by-step explanation:

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The legs of a isosceles triangle are 0.3 foot less then twice the base . The perimeter of the triangle is 4.9 feet .
kicyunya [14]
<h2>Greetings!</h2>

Answer:

The legs are 1.9 feet long

And the base is 1.1 feet long.

Step-by-step explanation:

Firstly, you need to find the value of x.

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And this equals 4.9:

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Now divide each side by 5:

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As the image is unclear of what side you are finding the length of:

2x - 0.3 = 1.9 feet long

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<h2>Hope this helps!</h2>
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