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Computer Ownership At a local university 54.3% of incoming first-year students have
Chapter 4, Problem 7(choose chapter or problem)
Computer Ownership At a local university 54.3% of incoming first-year students have computers. If 3 students are selected at random, find the following probabilities. a. None have computers. b. At least one has a computer. c. All have computers.
Questions & Answers
QUESTION:
Computer Ownership At a local university 54.3% of incoming first-year students have computers. If 3 students are selected at random, find the following probabilities. a. None have computers. b. At least one has a computer. c. All have computers.
ANSWER:Step 1 of 4
Given Information:
Probability that a first year student have a computer is 0.543(p).
Number of students selected is 3 (n).
Let X be the random variable for the count of students in 3 who have computer.
Assuming,
Each student is independent.
Each student has same probability of having a computer.
X would follow normal distribution such that,