before grading. Consider the first 15 graded projects. What is the probability that exactly 10 of these are from the second section? (Round your answer to four decimal places.) What is the probability that at least 10 of these are from the second section? (Round your answer to four decimal places.) What is the probability that at least 10 of these are from the same section? (Round your answer to four decimal places.) What are the mean value and standard deviation of the number among these 15 that are from the second section? (Round your mean to the nearest whole number and your standard deviation to three decimal places.) mean projects standard deviation projects What are the mean value and standard deviation of the number of projects not among these first 15 that are from the second section? (Round your mean to the nearest whole number and your standard deviation to three decimi places.) projects mean standard deviation projects
before grading. Consider the first 15 graded projects. What is the probability that exactly 10 of these are from the second section? (Round your answer to four decimal places.) What is the probability that at least 10 of these are from the second section? (Round your answer to four decimal places.) What is the probability that at least 10 of these are from the same section? (Round your answer to four decimal places.) What are the mean value and standard deviation of the number among these 15 that are from the second section? (Round your mean to the nearest whole number and your standard deviation to three decimal places.) mean projects standard deviation projects What are the mean value and standard deviation of the number of projects not among these first 15 that are from the second section? (Round your mean to the nearest whole number and your standard deviation to three decimi places.) projects mean standard deviation projects
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Transcribed Image Text:An instructor who taught two sections of engineering statistics last term, the first with 25 students and the second with 40, decided to assign a term project. After all projects had been turned in, the instructor randomly ordered them
before grading. Consider the first 15 graded projects.
What is the probability that exactly 10 of these are from the second section? (Round your answer to four decimal places.)
What is the probability that at least 10 of these are from the second section? (Round your answer to four decimal places.)
What is the probability that at least 10 of these are from the same section? (Round your answer to four decimal places.)
What are the mean value and standard deviation of the number among these 15 that are from the second section? (Round your mean to the nearest whole number and your standard deviation to three decimal places.)
mean
projects
standard deviation
projects
What are the mean value and standard deviation of the number of projects not among these first 15 that are from the second section? (Round your mean to
places.)
nearest whole number and your standard deviation to three decimal
mean
projects
standard deviation
projects
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