Normal distribution has a mean of 80 and a standard deviation of 10 9) The probability of a value between 75 and 90 equals:
A) 0.1498
B) 0.1915
C) 0.3413
D) 0.5328

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rscvsdfsrysas3712

09.12.2022

Mathematics

I belive its D. Because 400 a month for 12 months comes out to $4800 a year multiply that by 4 its 19200. if there putting it in a bank then it will get intrest

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Normal distribution has a mean of 80 and a standard deviation of 10 9) The probability of a value between 75 and 90 equals: A) 0.1498 B) 0.1915 C) 0.3413 D) 0.5328