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A new muscle relaxant is available. Researchers from the firm developing the relaxant have done studies that indicate that the time lapse between administration of the drug and beginning effects of the drug is normally distributed, with mean ? = 38 minutes and standard deviation ? = 5 minutes.
(a) The drug is administered to one patient selected at random. What is the probability that the time it takes to go into effect is 35 minutes or less? (Round your answer to four decimal places.)
scores on an english test are normally distributed with a mean of 32.3 and a standard deviation of 7.3. find the 40th
suppose the number of children who are obese in the united states grew from 1265966 in 2002 to 1819643 in 2007. use
A medical school claims that more than 28% of its students plan to go into general practice. It is found that among a random smaple of 130 of the school's students, 32% of them plan to go into general practice. Find the P-value for a test of the s..
What is the probability that an individual will be a salaried employee whose intrinsic satisfaction value is 5 or more?
your favorite team is in the final playoffs. you have assigned a probability of 60 that they will win the
A carpet company advertises that it will deliver your carpet within 15 days of purchase. A sample of 49 past customers is taken. The average delivery time in the sample was 16.2 days.
Assume that the weights of coconuts are normally distributed with a mean weight of 17.6 pounds and a standard deviation of 1.2 pounds.
In order to determine the sum of squares the distance between each data point and the line of the best fit is squared and then all of the squares are summed up. The line of the best fit will minimize this value?
elongation measurements are made on 10 pieces of steel five of which were treated with method a aluminum plus calcium
In our discussions of basic probability theory the concepts of mutually exclusive events and independent events share prominent roles.
When the rats In the sample reach 10 weeks old, each rat is weighed. The mean weight for this sample is M=974. Sketch the appropriate distribution, and locate the critical region for the alpha level =.05.
The Acme School of Locksmithing has been accredited for the past 15 years. Discuss how this information might be interpreted as a
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