Math, asked by adithyadinesh838, 8 months ago

the distribution of marks in an examination was found to be normal with 23%candidates scoring above 60 marks and 21% Candidate scoring below 40 marks. find mean and standard deviation?

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Answered by swatianurish

7

Answer:

See this video

Step-by-step explanation:

d

Answered by nehaut18

0

Answer:

Step-by-step explanation:

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