Question

An aptitude test for selecting officers in a
bank is conducted on 800 candidates. The
average score is 32 and the standard
deviation of score is 14. Assuming normal
distribution for the scores, find the number
of candidates whose scores lie between 20
and 60 and what would be the minimum
pass percentage if 220 candidates are
failed in the test?.​

Answer 1

Answer:

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Answer 2

Answer:

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