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Suppose the heights of the tulips in the greenhouse of Rotterdam's Fantastic Flora follow a continuous uniform distribution with a lower bound of 7 inches and an upper bound of 16 inches. You have come to the greenhouse to select a bouquet of tulips, but only tulips with a height greater than 10 inches may be selected.
a) What is the probability that a randomly selected tulip is tall enough to pick?
b) Calculate the mean and standard deviation of the distribution of the heights of the tulips
3. According to an IRS study, it takes a mean time of 290 minutes for taxpayers to prepare, copy and electronically transfer a 1040 tax form. The standard deviation of this distribution is 75 minutes. A consumer watchdog agency selects a random sampl..
a)Show the scatterplot for this data with the least squares regression line. Find R^2. HOw much of the variation is explained by the regression line? b)Experiment with the non-linear regressions available on the calculator. Which seem to fit? S..
Estimate the difference between the proportion of the population of low birth weight children and the proportion of the population of normal birth weight children who graduate from high school. Report a standard error for your estimate.
the initial research proposal will consist of the following six items1. identify a business research topic2. define the
Computer output from a multiple regression model with three independent variables yields the following estimated regression equation: 20.9 + 1.4X1 + 4.2X2 - 0.7X3.
The percentage of physicians who are women is 27.9%. In a survey of physicians employed by a large university health system, 45 of 120 randomly selected physicians were women. Is there sufficient evidence at the 0.05 level of significance to c..
Maximize the revenue from the load carried
What is the total cost to produce the disks for the year? All workers will be fully utilized each quarter, in other words, there is no under utilization.
The following table gives the data for per capita income in thousands of US dollars with the percentage of the labor force in Agriculture and the average years of schooling of the population over 25 years of age for 15 developed countries in 20..
The U.S. Census Bureau conducts a study to determine the time needed to complete the short form. The Bureau surveys 200 people. The sample mean is 8.2 minutes. There is a known standard deviation of 2.2 minutes. The population distribution is assumed..
The College Board finds that the distribution of students
In a survey of 900 college students , 405 out of 900 students has credit card or 45% of the student owned a credit card.
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