A machine puts out 16 imperfect articles in a sample of 500. After the machine is overhauled, it puts out 3 imperfect articles in a batch of 100. Has the machine improved ?

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Q: Q. 1. Calculate median from the following item: 5, 7,9, 11, 13, 15, 17, 19, 21

A: here n = 9 data  we have to find median

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A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for you...

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A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a...

Q: The z-score that bounds a tail area of 9.5% is ________. a 1.39         b 1.35         c 1.31       ...

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Q: 4. One way to prevent the spread of disease is to simply quarantine infected individuals. A disease ...

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Q: Distinguish between necessary and sufficient causes, giving examples.

A: Let NC denote necessary causes. Let SC denote sufficient causes.

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Q: The marks obtained by fine students are : 21, 36, 40, 49. Find the value of geometric mean.

A: x log(x) 21 1.3222 36 1.5563 40 1.6021 49 1.6902 --- ---   ∑log(x)=6.1708

Q: Q. 1. Calculate median from the following items : 5, 7, 9, 11, 13, 15, 17, 19, 21

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Q: A check-cashing service has found that approximately 5% of all checks submitted to the service for c...

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Q: Show your complete solutions The carbon monoxide (CO) level in a manufacturing plant is supposed to ...

A: Data given  58,64,63,48,52,68,70,54,57,61  Level of significance=ɑ=0.10  μ=50, σ=8.07   

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Q: 4. A random sample of 15 students was selected from a population size of 100 (normal) in a certain d...

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Q: 9. From the data given below examine whether there exists any correlation between X and Y: X: 6.9 8....

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Q: 15.37

A: 15.37) a) The population standard deviation is 5 mg and the margin of error E is 1.

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Q: a) Find P(false positive); that is, find the probability of randomly selecting one of the subjects w...

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Q: The ages of Stephanie's five cousins are listed below. 5 11 10 18 16 1) Calculate the mean. 2) Fill ...

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A: Let X be the number of win game  let p be the probability of win the game  n=number of game   

Q: iv. What proportion of vehicles with 6 gears are Manual? Construct a side by side bar chart to repre...

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A: GivenThe area to the left of z=1.33

Q: 1.1 Calculating an Average In Section 1.4.7 Excel's AVERAGE function was introduced. Create an Excel...

A: Solution: The data values are  3.6, 3.8, 3.5, 3.7, 3.6 n= 5 observation.