Please answer ASAP and in short these are only one word questions Required information - In order to determine if air quality reading in a certain assembly plant were within occupational safety and health administration (OSHA) guidelines an engineer collected the following data 108 ,86,84,93,94,90,83,83,117,85and89ppb(parts per billion) Determine the number of values that fall within±one standard deviation of the mean____. Determine the percent of values that fall within ± one standard deviation of the mean is ___%

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A: Given: μ=218 and σ=40. Also,PZ>z=13%⇒PZ>z=0.13⇒1-PZ≤z=0.13⇒PZ≤z=0.87

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A: We have given that  Mean=mu=21 Standard deviation=sigma=7 X~Normal(mu=21,sigma=7)

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A: Given: N=105 Class Midpoint Frequency Cumulative frequency 25-30 27.5 2 2 30-35 32.5 8 10…

Q: What proportion of the adult men in the United States are at least 6 feet tall?

A: here mean= 69.5 inches standard deviation =  3.5 inches Y = height of men

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A: We need to calculate Arithmetic Mean, Deviation from Mean, Average Deviation, Standard Deviation and…

Q: Curren tly patrons at the library speak at an average of 61 decibels. Will this average dedine after…

A: We use one sample t test for this study Null Hypothesis(H0) : μ = 61 Alternate Hypothesis (Ha) : μ…

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A: Data : {…

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Q: Calculate Standard deviation of the following data : No. of Employees : 10-19 20-29 30-39 40-49…

A: Given: No. of employees No of firms 10-19 6 20-29 11 30-39 14 40-49 6 50-59 3

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A: Square footage of homes are normally distributed with a mean of 1,200 square feet and a standard…

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Q: he average age of vehicles registered in the United 96 months. Assume the population is normally…

A: Given: μ=96, σ=15, n=36 Calculate the corresponding  z scores as:

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Q: he following data represent the number of people aged 25 to 64 years covered by health insurance…

A: The data shows the number of people aged 25 to 64 years covered by health insurance in 2018.

Q: Diastolic blood pressure is a measure of the pressure when arteries rest between heartbeats. Suppose…

A: From the provided information, Mean (µ) = 71 mm Hg Standard deviation (σ) = 8.8 mm Hg X~N (71, 8.8)

Q: A particular fruits weights are normally distributed, with a mean of 797 grams and a standard…

A: Let us assume X= weight of a particular fruit Given that X follows a normal distribution with mean=…