If 80% of a number is 20, what is 20% of the number?
2 answers:
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Answer:
260 is the minimum score.
Step-by-step explanation:
We are given the following information in the question:
Mean, μ = 200
Standard Deviation, σ = 24
We are given that the distribution of test score is a bell shaped distribution that is a normal distribution.
Least marks required for admission in boarding school is 2.5 standard deviations above the mean.
Thus, we can calculate the minimum score as:
Thus, 260 is the minimum score that an applicant must make on the test to be accepted.