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Serjik [45]
3 years ago
5

This is for imnotalexchill, imnotdanielchill, wolfgang21, iaintsusreally, and immagangstersike....

Mathematics
2 answers:
Alexandra [31]3 years ago
8 0

Answer:

im not metioned but im here anyway :D

Step-by-step explanation:

Annette [7]3 years ago
4 0

Answer:

lol hey bestie!

Step-by-step explanation:

let's crush these boys!

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Find the slope of the line that passes through the points (–2, 2) and (13, –7).
vodka [1.7K]

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Step-by-step explanation:

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Does the following set of coordinates represent a function? *
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Step-by-step explanation:

8 0
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6 0
3 years ago
Let μ denote the true average tread life of a certain type of tire. consider testing h0: μ = 30,000 versus ha: μ > 30,000 bas
san4es73 [151]
The probability of making a type II error is given by one minus the power of the hypothesis test.

In general for the alternative hypothesis , H_a:\mu\ \textgreater \ \mu_0

The power of a hypothesis test is given by:

\beta(\mu')=\phi\left(X \ \textless \  \mu_0+z_{1-\alpha}\frac{\sigma}{\sqrt{n}}|\mu'\right) \\  \\ =\phi\left(z_{1-\alpha}+\frac{\mu_0-\mu'}{\sigma/\sqrt{n}}\right) =\phi\left(z_{1-0.01}+\frac{30000-31000}{1500/\sqrt{16}}\right) \\  \\ =\phi\left(z_{0.99}+\frac{-1000}{1500/4}\right)=\phi\left(2.33-\frac{1000}{375}\right)=\phi(2.33-2.667) \\  \\\phi(-0.33)=0.3682

The probability of <span>making a type ii error when μ = 31,000 is given by

1-\beta(\mu')=1-0.3682 \\  \\ =0.6318</span>
6 0
3 years ago
If it takes Laine 3 hours to wash the windows, Leslie 4 hours to wash the same windows, and Lance 5 hours to wash the windows, h
pentagon [3]

Answer:

Step-by-step explanation: 0.78 hours

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