a. Use an ANC whether ther among the tl the samples average of tl b. Calculate m² study.

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A: x1 = 63 x2 = 70.2 s1 = 8.7 s2 = 12.48 n1 = 8880 n2 = 25691

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A: State the hypotheses  

Q: P( z>1.31) =

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Q: Hi How do I solve this analysis?

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A: From the provided information, Number of rows (r) = 4 Number of columns (c) = 3 Chi square test stat...

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Q: please answer number 23

A: The mean is 150 and the standard deviation is 8.

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Q: please use the information on the first page to answer number 17

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A: Observed Expected (O-E)^2 (O-E)^2/E 19 27.66667 75.11111 2.714859 35 27.66667 53.77778 1.943775 ...

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A: P(A) = 0.25 P(W | A ) = 0.33 P(A | W) = 0.18

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A: Given: Lower bound = 29 Upper bound = 39  

Q: please answer number 24

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Q: (50) Let X be a random variable with p.d.f. ((k +4) f(x) = { 0<x<5 , find (1) k (2) E(x +1) O.W

A: a)Use the condition of valid pdf as∫05fxdx=1⇒∫05k+4dx=1⇒k+4∫05dx=1⇒k+4x05=1⇒k+45-0=1⇒5k+4=1⇒k=15-4⇒k...

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A: Let us denote t=1 for 1999, t=2 for 2000,......t=8 for 2006. Therefore, y t t^2 179 1 1 195 ...

Q: In an attempt to asses total daily travel taxes in various cities, the Global Business Travel Associ...

A: Given information:  Mean (x) = 41.91  Standard deviation (s) = 8.50  Sample size (n) = 200   

Q: please use the information on the first page to answer number 18

A: Given Information: Population mean (u) = $ 50,000 Target value (x) = $ 50,000  Standard Deviation (s...

Q: Urgent need help with question

A: Given that, Data set: 6,1,9,7,2,3,9,2,2,2

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A: From the given information we have, nM=11yM=68sM=2.6         nF=15yF=66sF=2.3 and df=22 We can use t...

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Q: The scores of students on the SAT college entrance examinations at a c 1ool had a normal distributio...

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A: Given Information: Population mean (u) = 35  Sample mean  (x) = 42.7  Standard deviation (s) = 6  Sa...