A. The percentage grade average of the Medical Technology students is normally distributed with a standard deviation of 6.82. A sample of 50 students was drawn and their mean percentage grade was 84.6. Find a 95% confidence interval for the percentage grade of the Medical Technology students.

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A: A random sample of 26 accounting students has a mean of 2.61 and a standard deviation of 0.13.

Q: A study of 36 golfers showed that their mean score at The Links at Arundel was 83.  The standard…

A: n=sample size= 36 X¯=sample mean=83σ=sample standard deviation=5 So the point estimate=X=83   Since…

Q: A sample of 60 people who were chosen for a sample had an average IQ score of 105. If the population…

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Q: In a random sample of six people, the mean driving distance to work was 24.9 miles and the standard…

A: The sample size: n=6 Sample mean: x¯=24.9 miles Standard deviation: s=7.9 Confidence level: C=0.99…

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A: Let Xi be the amount of oil in the ith container,i=1,2,...,n.

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A:

Q: The average weight of 36 randomly selected school buses was 4150 pounds with a standard deviation of…

A: Given data,x=4150σ=480n=36z-value at 99% confidence is Zc=2.576

Q: A population of values has a normal distribution with = μ 77.6 and σ = 11.5. You intend to draw a…

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Q: he average weight of 20 randomly selected cars was 3500 pounds. The sample standard deviation was…

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Q: Noise levels in a hospital were measured at 81 different locations. The average level was found to…

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A: According to the given information in this question  We need to find the 95% confidence interval

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Q: If the mean and standard deviation of a sample of size 45 is 1050 and 52 respectively, construct a…

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Q: 5.)  A recent study of 28 fantastic employees at KHS showed that their mean distance traveled from…

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Q: An instructor has two different copies of a test, and randomly distributes them to their students.…

A: Introduction: Denote μ1, μ2 as the true population mean scores for test versions B and C…