A random sample of 56 fluorescent light bulbs has a mean life of 645 hours and assume that the population standard deviation is 31 hours. Construct a 95% confidence interval for the population mean. OA. (539.6,551.2) OB. (712.0,768.0) OC. (636.9,653.1) OD. (112.0,118.9)

Q: Question 12

A: Given: Value of the trading card = $155 (in 2009) Each year increases by = 4.8% = 0.048 To…

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A: For Group : Dominant Individual Standard Deviation, s: 0.05410 Count, N: 9 Sum, Σx: 2.755…

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A: topic - quadratic equations

Q: Question 18.30

A: The given data

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A:

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Q: the

A:

Q: Question 12

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A:

Q: Question 12

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A:

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A:

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A: Given that the expression is

Q: Question 51

A: SOLUTION-

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Q: Question 54

A:

Q: Question 12 32K

A:

Q: Question 52

A: Solve 52

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