Post Utme Bowen University 2023 Mathematics Question 12
Practice objective / multiple choice question 12 from the 2023 Post Utme Bowen University Mathematics examination.
A company produces light bulbs with a mean lifespan of 1200 hours and a standard deviation of 120 hours. If a sample of 36 light bulbs is selected, what is the probability that the sample mean lifespan is less than 1150 hours?
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This is Post Utme Bowen University 2023 Mathematics Question 12. It is one of the objective questions from the 2023 Post Utme Bowen University Mathematics examination.
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