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Answer only d

Answer only d

A First Course in Probability (10th Edition)
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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Answer only d
## Problem Statement A professor needs participation from at least 8 students and sends out invitations to several students. The likelihood of each student accepting the invitation independently is 10%. ### Questions: a. What is the probability that at least 8 students participate in the experiments if the professor sends invitations to 50 students? b. What is the probability that 8 to 12 students participate in the experiments if the professor sends invitations to 50 students? c. What is the expected number of participants if the professor sends invitations to 50 students? d. What is the minimum number of invitations to send if the professor wants to be sure that there is enough participation with 90% confidence?
Transcribed Image Text:## Problem Statement A professor needs participation from at least 8 students and sends out invitations to several students. The likelihood of each student accepting the invitation independently is 10%. ### Questions: a. What is the probability that at least 8 students participate in the experiments if the professor sends invitations to 50 students? b. What is the probability that 8 to 12 students participate in the experiments if the professor sends invitations to 50 students? c. What is the expected number of participants if the professor sends invitations to 50 students? d. What is the minimum number of invitations to send if the professor wants to be sure that there is enough participation with 90% confidence?
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