Waec Model Questions Vol1 2023 Mathematics Question 7
Practice objective / multiple choice question 7 from the 2023 Waec Model Questions Vol1 Mathematics examination.
In a class of 30 students the distribution of test scores (in whole numbers) is partially given below. Score: 40 45 50 55 60 65 70 75 80 Frequency: 2 a 4 b 5 3 c 2 4 The mean score is 58 and the median score is 60. (i) Find the value of a + b + c. (ii) What is the probability that a randomly selected student scored at least 70?
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About This Question
This is Waec Model Questions Vol1 2023 Mathematics Question 7. It is one of the objective questions from the 2023 Waec Model Questions Vol1 Mathematics examination.
Difficulty level: Hard .
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