g60 Q.143 In a sample of 100 students, the mean of the marks (only integers)...
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g60 Q.143 In a sample of 100 students, the mean of the marks (only integers) obtained by them in a test is 14 with its standard deviation of 2.5 (marks obtained can be fitted with a normal distribution). The percentage of students scoring 16 marks is (a) 36 (b) 23 (c) 12 (d) 10 (Area under standard normal curve between z = 0 and 2 = 0.6 is 0.2257; and between 2= 0 and 2 = 1.0 is 0.3413)
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