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An investigator is interested in estimating the incidence rate of prostate cancer in the state of Louisiana. Men who have had radical prostatectomies due to findings from a previous biopsy have had their prostate removed and thus are not at risk for prostate cancer. If the investigator incorrectly failed to exclude men with radical prostatectomies from the study population, how would the observed incidence rate compare to the true incidence rate? Explain.
the average travel time to work for new york city residents is 36.5 minutes time almanac 2001. assume that the
Show that the c.d.f. FT,?(t) of T is nonincreasing in ? for each fixed t and use this result to construct a confidence interval for ? with confidence coefficien
A psychologist studied self-esteem scores and found the data set to be normally distributed with a mean of 50 and a standard deviation of 6. A raw score of 47 is associated with what percentile?
Suppose human weights are normally distributed with mean 175 and standard deviation 36 pounds. A helicopter is evacuating people from a building
a. The null hypothesis that there is no relationship between the type of music a person listens to and his crime rate.P
From the e-Activity, select ten (10) states and calculate the mean and standard deviation for average insurance costs. Next, calculate the mean and standard deviation for average insurance costs for all 51 states
Construct a 96% confidence interval for the population proportion when 285 people out of 750 were in favour of boycotting the World Cup matches if prices were to rise above $100 for 64 televised matches.
consider the following marble game a box contains m red marbles and n blue marbles n m gt 0 and a fixed number - here
1. a class consists of 10 juniors 10 seniors and four graduate students. agroup of six students is selected at random
Describe how you would simulate the number of cars Bill sells in an afternoon. You must first simulate the number of customers, then simulate the buying.
Explain what a Type I and Type II error would be in this study. State the answer in terms of the variables of the particular study.
the one-sample t statistic from a sample of n25 observations for the two-sided test ofh0 u 64ha u ? 64has the value t
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