3 years ago

My assigned ratio is: 2:5 Give Two examples of ratios that are equivalent to my ratio:

1 answer:

5 0

Answer:

4:10 and 6:15 are equivalent to 2:5

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Lina20 [59]

C) you conclude that less than half of the cars on the dealership’s lot cost more than$34,330

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4 years ago

bogdanovich [222]

Is the question your asking the one at the bottom

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3 years ago

kogti [31]

Answer:

The correct option is 1.148 < σ < 6.015

Explanation:

The 99% confidence interval for the standard deviation is given below:

$\sqrt{\frac{(n-1)s^{2}}{\chi^{2}_{\frac{0.01}{2} }} }$

Where:

$\chi^{2}_{\frac{0.01}{2} }=18.548$

$\chi^{2}_{1-\frac{0.01}{2}}=0.676$

Therefore, the 99% confidence interval is:

$\sqrt{\frac{(7-1)2.019^{2}}{18.548} }$

$1.148$

Therefore, the option 1.148 < σ < 6.015 is correct

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4 years ago

Lady bird [3.3K]

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3 years ago

never [62]

Answer: $2\sqrt{10} \approx 6.325$

Step-by-step explanation:

$\sqrt{(-9-(-11))^2 +(-3-(-9))^2}=2\sqrt{10} \approx 6.325$

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1 year ago