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The U.S. Dairy Industry wants to estimate the mean yearly milk consumption. A sample of 17 people reveals the mean yearly consumption to be 66 gallons with a standard deviation of 26 gallons.1) What is the value of the population mean?2) What is the best estimate of this value?
Assume that 12 percent of adults in this country have filed for bankruptcy at some point in their life.
If light bulbs failure times are identically and independently distributed, what shape would you expect for the hazard function of the light bulbs? Draw a picture and explain.
Could this information be viewed as representing the ratio scale of measurement? If so , explain why. If not, why not.
The proportion who died from coronary heart disease was .00669 for smokers and .00413 for nonsmokers. Describe the association of smoking each alung cancer.
a) Test whether there is a difference between attitudes in the 2 cities. Use a 95% alpha. b) What does your result say about attitude consistency across cities?
Random sample of 100 voters showed that 55 of those sampled will vote for her. Is it likely that her assertion is correct at the 0.05 level of significance?
Half of those stockbrokers who do not drink coffee, eat a candy bar. What is the probability that a stockbroker who eats candy also drinks coffee?
The edges of a triangular homesite have lengths of 2x - 1, x, and x + 2. Write an expression for the perimeter of the property.
What would be your decision if a hypothesis test was conducted on this problem with the null hypothesis given as H0 : µ ≥ 2 and the alternate hypothesis given as H1
The analysis needs to be re-run adding the error into the regression sum of squares.
Gerald takes the ACT Assessment mathematics test and scores 27. ACT math scores for 2007 were Normally distributed with mean 21.0 and standard deviation 5.1. What is Eleanor's standardized score?
Temperature in a certain city for the month of June follows a uniform distribution over the interval 61º F to 91º F. What is the probability that a randomly selected June day has a temperature that exceeds 70º F?
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