A population of values has a normal distribution with µ = 225.8 and o = 55.3. You intend to draw a random sample of size n = 109. What is the mean of the distribution of sample means? Hi = What is the standard deviation of the distribution of sample means? (Report answer accurate to 2 decimal places.)

Q: Express the confidence interval 80.1%±3.4%80.1%±3.4% in interval form.

A: The confidence interval is given by 80.1%±3.4%

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A: Given n=12 Mean=67 Alpha=0.05

Q: The Trend Value (using Regression) for Quarter 1 of 2002 is O 235.94 O 355.98 O 229.23 O 277.95

A: Trend value is the value of Y of regression equation for particular x value. 

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A:

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A:

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A: It is known that the moment generating function uniquely identifies the corresponding distribution.

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A: Given  n=32, population mean μ=32, standard deviations σ=10   

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Q: 1. a) An ice cream cart sells three flavors; chocolate, vanilla, and strawberry. If you order a cone...

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A: In this question given that A researcher wishes to​ estimate, with 90​% confidence the population pr...

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A: Since you have asked multiple questions, we will solve the first question for you. If you want any s...

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A: Note: As per the guidelines, answer to first three subparts will be provided in case of multiple sub...

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Q: 43. Laaspeyre's quantity index number is : (A) 114.79 (B) 115.79 (C) 116.75 (D) 95.79.

A:

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A: Given (a) Z= -0.89 (b) Z=-1.19 (c) Z=1.48 (d) Z= -0.76.  

Q: 45. Fisher's quantity index number is : (A) 115.77 (B) 116.77 (C) 117.77 (D) 114.77.

A: Given that : We use here the formula of Fisher quantity index number.    

Q: We collect a poll of size n = 100 by randomly selecting participants from the whole population of el...

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Q: %23 The following table contains the probability distribution for the number of traffic accidents da...

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Q: В. Χ X2 X2 Χ X2 1 2 1 4. 3. 3 5 4 ΣΧ- Ex² = ΣΧ= Ex²= ΣΧ Σχ Ex² = B.

A:

Q: The length X mm of a spring made by a machine is normally distributed. A random sample of 24 springs...

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