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2 years ago

What is the value of KL

Mathematics

1 answer:

skelet666 [1.2K]2 years ago

4 0

Answer:

40.5

Step-by-step explanation:

Since the centroid (the point of concurrency of the sides of a triangle) divides the 3 medians into the ratios from the point to the centroid to the centroid to the side into the ratio of 2:1. To find PK divide 27 by 2

27/2=13.5

Then add 27 and 13.5 to get KL

27+13.5=40.5

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Read 2 more answers

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(a) A 95% confidence interval for the population mean is [433.36 , 448.64].

(b) A 95% upper confidence bound for the population mean is 448.64.

Step-by-step explanation:

We are given that article contained the following observations on degrees of polymerization for paper specimens for which viscosity times concentration fell in a certain middle range:

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where, $\bar X$ = sample mean = $\frac{\sum X}{n}$ = 441

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n = sample size = 16

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95% confidence interval for $\mu$ = [ $\bar X -2.131 \times {\frac{s}{\sqrt{n} } }$ , $\bar X +2.131 \times {\frac{s}{\sqrt{n} } }$ ]

= [ $441-2.131 \times {\frac{14.34}{\sqrt{16} } }$ , $441+2.131 \times {\frac{14.34}{\sqrt{16} } }$ ]

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