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A machine that cuts corks for wine bottles operates in such a way that the distribution of the diameter of the corks produced is well approximated by a normal distribution with mean 3 cm and standard deviation 0.1 cm. The specifications call for corks with diameters between 2.9 and 3.1 cm. A cork not meeting the specifications is considered defective. (A cork that is too small leaks and causes the wine to deteriorate; a cork that is too large doesn't fit in the bottle.) What proportion of corks produced by this machine are defective?
provide a definition of the nominal, ordinal, interval, and ratio scales. Conclude your discussion with a reflection on how statistics might be utilized in your own evidence-based practice.
Adriana Corporation manufactures football equipment. In planning for next year, the managers want to understand the relation between activity and overhead costs.
is there a relationship between these two measurements for the size of the 30 major league baseball stadiums?a. before
Calculate the Optimal Level of Output and Maximum Profit
describe the direction of the relationship between the hamstring strength index 60degs and the shuttle run test.
an analyst is testing a two tail hypothesis to determine if the mean housing loan has changed from last years value of
Convinving evidence at the .05 significance level to support the claim that the actual number of cards is an undergrads wallet is greater than 4.09. state the null and alternative hypothesis.
Let Y, Y2 Y3 Y4 be the order statistics of a random sample of size n = 4 from a distribution with p.d.f. f(x) = 2x, 0 x 1.
The accounting department at Weston reports that it takes two construction workers a mean of 32 hours and a standard deviation of 2 hours... Determine the z values for 29 and 34 hrs. What percent of garages take between 32 and 34 hrs to erect.
Which is a possible value for the correlation of X and Y in the a) -0.75 b) 0 c) +1 d) +0.98
A portfolio p of consisting 60% of stock X and 40% of stock Y, has a correlation ρpM = 0.62 with the market. What is the portfolio volatility? Statement on the diversification effect.
Apply the Law of Large Numbers: Explain how the following scenario is possible using a coin toss and fictitious data: As the number of trials increases
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