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Multiple choice: 1. The masses of guavas in a farm are normally distributed with a mean of mu and a standard deviation,sigma .The mass of
Multiple choice:
1. The masses of guavas in a farm are normally distributed with a mean of \mu and a standard deviation,\sigma.The mass of percentage of guava less than 400 g is 15.87% and more than 500 g is 6.88%.Determine the value of \mu and \sigma.
(a) 400 , 44
(b) 420 , 40
(c) 440 , 40
(d) 440 , 30
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