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klasskru [66]
3 years ago
7

The hull speed of a boat is approximated by the

Mathematics
2 answers:
sweet [91]3 years ago
7 0

Answer:

a =   ✔ 1.34

b = ln  ✔ – 10

 ln >  10

Law Incorporation [45]3 years ago
5 0

a=1.34

b=ln-10

ln>10

Step-by-step explanation:

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The U.S. Census Bureau announced that the median sales price in 2014 for new homes was $282,800 and the mean sales price was $34
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Answer:

a) 0.9964

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Step-by-step explanation:

Given data:

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calculate z score for [/tex](\bar x = 370000)[/tex]

z = \frac{\bar x - \mu}{\frac{\sigma}{\sqrt{n}}}

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z = 2.689

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FROM STANDARD NORMAL DISTRIBUTION TABLE FOR Z P(Z<2.689) = 0.9964

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calculate z score for (\bar x = 350000)

z = \frac{\bar x - \mu}{\frac{\sigma}{\sqrt{n}}}

z = \frac{350000 - 345800}{\frac{90000}{\sqrt{100}}}

z = 2.133

P(350000 \leq \bar x \leq 365000) = P(0.467 \leq Z\leq 2.133) = P(Z\leq 2.133) - P(Z\leq 0.467)

FROM NORMAL DISTRIBUTION TABLE Z VALUE FOR

P(Z\leq 2.133) = 0.9836

P(Z\leq 0.467) = 0.6796

SO,  = 0.9836 - 0.6796 = 0.3040

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Step-by-step explanation:

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