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Aneli [31]
3 years ago
15

Find the possible values of p

Mathematics
1 answer:
Tomtit [17]3 years ago
3 0
, 2p+3)x2+(4p−14)x+16p+1=0
has coincident roots.

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An electric sale gives a reading equal to the true weight plus a random error that isnormally distributed with mean 0 and standa
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Answer:

a) 95% confidence interval estimate of the true weight is (3.026, 3.274)

b) 99% confidence interval estimate of the true weight is (2.944, 3.356)

Step-by-step explanation:

Confidence Interval can be calculated using M±ME where

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And margin of error (ME) can be calculated using the formula

ME=\frac{t*s}{\sqrt{N} } where

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Using the numbers 95% confidence interval estimate of the true weight is:

3.150±\frac{2.776*0.1}{\sqrt{5} }≈3.150±0.124

And 99% confidence interval estimate of the true weight is:

3.150±\frac{4.604*0.1}{\sqrt{5} }≈3.150±0.206

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Answer:

(-4, -1/2)

Step-by-step explanation:

to calculate the midpoints bt of the line use the ormula:

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Where (x1, x2) is one coordinate point and (y1, y2) is anither coordinate point. Any two points will work, but I chose A (-5,-4) and B (-3, 3).

( \frac{ - 5 + ( - 3)}{2}  \frac{ - 4 + 3}{2} )

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I tried my best at it and my guess is that in standard form is 0.00086
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