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2 years ago

6

He _____________ distribution is used to develop confidence interval estimates of variances or standard deviations.

1 answer:

weqwewe [10]2 years ago

4 0

The answer is the chi square distribution. In Statistics and probability theory, the chi distribution is a continuous probability distribution. The chi-square distribution is a distinct case of the gamma distribution and is one of the most extensively used probability distributions in inferential statistics for instance, in construction of confidence intervals or in hypothesis testing.

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The ratio of width to length of a rectangle is 7:10.The width of the rectangle is 91 cm.

kvasek [131]

Answer:

Length= 130 cm

For, Width= 91 cm

Step-by-step explanation:

Ratio of the width to the length of the rectangle = 7:10

Width of the rectangle= 91 cm

$\frac{Width}{Length} =\frac{7}{10}$

As, Width = 91 cm

$\frac{91}{Length} =\frac{7}{10}$

On, Cross multiplication the fraction:

$91*10=7*Length$

$7*Length=910$

Dividing by '7' both the sides:

$Length=\frac{910}{7}\\\\ Length=130cm$

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How much cinemeters is 5 inches

grandymaker [24]

Answer:

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Step-by-step explanation:

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2 years ago

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Solve 3x²-x-2=0. Please show all work.

lorasvet [3.4K]

3x²-x-2=0

Δ=1+24=25 (Δ=b²-4ac)

x₁,₂= $\frac{1(+/-)\sqrt{25} }{6}$

x₁,₂= $\frac{1(+/-)5}{6}$

x1= $\frac{1+5}{6}$ =6/6=1

x2= $\frac{1-5}{6}$ = $\frac{-2}{3}$

so

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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