Kelly is a "moonshot" person. He tried to take the 100-item multiple choice exam without studying at all. Suppose that out of these questions, Kelly was sure of his 15 answers. What is the probability that he will pass the exam? Assume that each item is worth one point and there are 4 choices for each question, of which only one is correct. The passing rate is 70%. O 0.205
Kelly is a "moonshot" person. He tried to take the 100-item multiple choice exam without studying at all. Suppose that out of these questions, Kelly was sure of his 15 answers. What is the probability that he will pass the exam? Assume that each item is worth one point and there are 4 choices for each question, of which only one is correct. The passing rate is 70%. O 0.205
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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![Kelly is a "moonshot" person. He tried to take
the 100-item multiple choice exam without
studying at all. Suppose that out of these
questions, Kelly was sure of his 15 answers.
What is the probability that he will pass the
exam? Assume that each item is worth one
point and there are 4 choices for each
question, of which only one is correct. The
passing rate is 70%.
O 0.205
O 0.105
O 0.305](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa0d9c4eb-4cde-49d0-a0eb-47e4cc9568a7%2F2ac91fd3-969d-4e36-93dc-82fefffd1653%2Fmb62c6v_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Kelly is a "moonshot" person. He tried to take
the 100-item multiple choice exam without
studying at all. Suppose that out of these
questions, Kelly was sure of his 15 answers.
What is the probability that he will pass the
exam? Assume that each item is worth one
point and there are 4 choices for each
question, of which only one is correct. The
passing rate is 70%.
O 0.205
O 0.105
O 0.305
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