In a health club, research shows that on average, patrons spend an average of 46.2 minutes on the treadmill, with a standard deviation of 4.8 minutes. It is assumed that this is a normally distributed variable. Find the probability that randomly selected individual would spent between 30 and 40 minutes on the treadmill. Looking […]
The 95% confidence interval for these parts is 56.98 to 57.05 under normal operations. A systematic sample is taken from the manufacturing line to determine if the production process is still within acceptable levels. The mean of the sample is 57.06. What should be done about the production line? Possible answers: a. Stop the line […]
A manufacturer claims that the thickness of the spearmint gum it produces is 7.5 one-hundredths of an inch. A quality control specialist regularly checks this claim. On one production run, he took a random sample of n = 10 pieces of gum and measured their thickness. He obtained the following scores: 7.65 7.60 7.65 7.70 7.55 7.55 […]
Find the regression equation for the following data set x143167143189122174134155 y 60 80 72 69 44 59 51 63 Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code “Newclient”
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