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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 (mhu) = 38 minutes and standard deviation = 5 Minutes.
(A) The drug is administered to one patient selected at random. What is the probablity that the time it takes to go into effect is 35 minutes or less? **SHOW All Work.
(B) The drug is administered to a random sample of 10 patients. What is the probablilty that the average time before it is effective for all 10 patients is 35 minutes or less? **Show All Work
(C) Comment on the differences between the results in parts (a) & (b).
What fraction of the company's product is good? What percentage is blemished? If an unit of product is selected at random and found to be blemished, what is the probability that it was produced on machine B?
What is the probability of randomly selecting a male from this group?
Drug Store News (September2002) provided data on annual pharmacy sales for the leading pharmacy retailers in the United States. Show a stem-and-leaf display.
A state meat inspector in Iowa has been given the assignment of estimating the mean net weight of packages of ground chuck labeled "3 pounds." Of course, he realizes that the weights cannot be precisely 3 pounds.
The Bottom Line Gift Boutique has been the target of many shoplifters in the past. What is the probability that the shoplifter is a first time offender, given that the shoplifter is a male?
Explain the difference between multiple independent variables and multiple levels of independent variables. Which is better?
1. determine if this is an example of probability or statistics the average cost of groceries has risen by 4.2 in the
Assume that female students' heights are normally distributed with a mean given by µ = 64.2 in. and a standard deviation given by σ = 2.6 in.
Both SAT and ACT scores are normally distributed. What is the probability that a randomly selected high school senior's score on the mathematics part of the SAT will be more than 630?
A random sample of 85 group leaders and supervisors revealed that they worked an average of 6.5 years before being promoted. The population standard deviation was 1.7 years. Using the 0.95 degree of confidence, what is the confidence interval for ..
Consider a high school basketball player that is a 70% free throw shooter. During the season, what is the probability that this player makes the third free throw in five shots (exactly 3 shots in 5 attempts)?
If you have a normal distribution of a random variable x, with a mean of 56 and standard deviation of 8: What is the probability that the random variable x will be within plus or minus 1 standard deviation of the mean?
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