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Over the? years, it was noticed that the cost of a slice of pizza and the cost of a subway fare in a certain city seemed to increase by the same amounts. Let x represent the cost of a slice of pizza and let y represent the corresponding subway fare. Use the following statistics that were obtained from a random sample of costs? (in dollars) of? pizza/subway fares to construct a prediction interval estimate of the subway fare with? 99% confidence when the cost of a slice of pizza is ?$2.60
n=6
b 0=0.03456
b1=0.94502
x overbar=1.0833333
∑x=6.50
∑x2=9.77
se=0.123
The? 99% prediction interval is ? < y < ?
Category of decision rule which contains maximax decision rule is?
Nine percent of men and 0.25% of women cannot distinguish between the colors red and green. This is the type of color blindness that causes problems.
1. find the probability distribution for x the sum of a fair four sided die and and fair sixsided die. b for x from
About one-third of the students entering a certain university drop out during or at the end of their first year." Does this statement illustrate percentage, proportion or probability?
Suppose that (unknown to you) the mean score of those taking the MCAT on your campus is 25.0.
What type of graph would you use to represent the data and why? Focus on finding relevant, personally meaningful material to work with for these students.
What is the arithmetic mean glucose reading? What is the median glucose reading? What is the modal glucose reading?
The Minnesota Department of Transportation installed a state-of-the-art weigh-in-motion scale in the concrete surface of the eastbound lanes of Interstate 494 in Bloomington, Minnesota.
Class of 22 obtains a mean of 92 and a standard deviation of 4. Is he correct in assuming that the performance of the most recent class is significantly better than that of other classes?
Establish the objective function and the inequations of this system. Use x1; x2; x3 instead of P1; P2; P3. Create the system of equations and out of it a table for usage of the Simplex Method (just the table no evaluation!)
University officials at a major university would like to use three -term moving averages to examine enrollment. Enrollment data (in thousands of students) for the 12 most recent terms are shown in middle column of the table below.
a. Construct a stemplot of the data to verify that the shape is roughly normal.
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