Question
University students are a major target for advertisements for credit cards. At a university, 60% of students surveyed said they had opened a new credit
University students are a major target for advertisements for credit cards. At a university, 60% of students surveyed said they had opened a new credit card account within the past year. If 15 students are surveyed, calculate the following probabilities.
What is the probability that exactly 7 students opened a new credit card account within the past year? (3 marks) b) What is the probability that less than 3 students opened a new credit card account within the past year? (7 marks) c) What is the probability that 7 or 8 students opened a new credit card account within the past year? (4 marks) d) What is the probability that 3 or more students opened a new credit card account within the past year?
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Introduction to Real Analysis
Authors: Robert G. Bartle, Donald R. Sherbert
4th edition
471433314, 978-1118135853, 1118135857, 978-1118135860, 1118135865, 978-0471433316
