Neco 2022 Christian Religious Studies Question 48
Practice objective / multiple choice question 48 from the 2022 Neco Christian Religious Studies examination.
A shepherd has a flock of \(120\) sheep. He loses one sheep and searches for it. During the first hour he can search an area covering \(15\%\) of the pasture. After the first hour he doubles his search speed, covering \(30\%\) of the pasture each subsequent hour. Assuming the lost sheep is equally likely to be anywhere in the pasture and the searched areas do not overlap, (i) what is the probability that the shepherd finds the lost sheep after three hours at the original speed (15% per hour)? (ii) what is the probability after the speed increase as described? (iii) what is the increase in probability (in percentage points) due to the speed increase?
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About This Question
This is Neco 2022 Christian Religious Studies Question 48. It is one of the objective questions from the 2022 Neco Christian Religious Studies examination.
Difficulty level: Medium .
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