An aptitude test for selecting officers in a bank was conducted on 1,000 candidates, the average score is 42 and the standard deviation of scores is 24. Assuming normal distribution for the scores,...

Extracted text: An aptitude test for selecting officers in a bank was conducted on 1,000 candidates, the average score is 42 and the standard deviation of scores is 24. Assuming normal distribution for the scores, find : 'a) the number of candidates whose score exceeds 58. h) the number of candidates whose score lies between 30 and 66.