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Question: Refer to the article entitled 21st Birthday from the Penn State Pulse (January, 2001). Located in the Library Reserves--use the Library Reserves link in Angel. Find the value for the percent of Penn State students that said they consumed more alcohol than usual on their 21st birthday. Convert this percent to a proportion. A random sample of three Penn State students who recently turned 21 was obtained from the Penn State population. Set up the calculation for the probability that the first and the third Penn State student consumed more alcohol than usual on their 21st birthday while Penn State Student 2 did not consume more alcohol than usual on their 21st birthday. Remember, the order of the values is important.
Adults is approximately normal with a mean of 191 lbs. and a standard deviation of 20 lbs. Using the 68-95-99.7 rule. What percent of males weigh more than 211 lbs?
A company that manufactures computer chips wants to use a multiple regression model to study the effect that 4 different variables have on y, the total daily production cost (in thousands of dollars).
fitting of simple linear regression equation.a researcher wishes to determine whether a persons age is related to the
If Larry gets a 70 on a physics test where the mean is 65 and the standard deviation is 5.8, where does he stand in relation to his classmates?
What is the probability of selecting a finance or accounting major and what is the probability of selecting a female or an accounting major? Which rule of addition did you apply
Consider the following data values of variables x and y. The equation of the least-squares regression line for this data is
An auditor for Health Maintenance Service of Georgia reports 40% of policyholders 55 years or older submit a claim during the year. Fifteen policyholders are randomly selected for company records.
1.some researchers have conjectured that stem-pitting disease in peach-tree seedlings might be controlled through weed
It has been reported that 3% of all cars on the highway are traveling at speeds in excess of 70 mph. If the speeds of four random automobiles are measured via radar, what is the probability that at least one car is going over 70 mph?
Research shows that the life time of Everlast automobile tires is normally distributed with a mean value of 70,000 miles and a standard deviation of 7,000 miles. What is the probability of having a tire that lasts more than 80,000 miles?
Identify the implied population in the information here. Government agencies carefully monitor water quality and its effect on wetlands
Sketch a scatter plot that could represent data from each of following. Label the axes to indicate the independent and dependent variable.
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