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Hi Kindly assist:

 

8% of students are left-anded, if 20% students are randomly selected, calculate the:

 

(i) probability that none of them are left-handed.

(ii) probablity that at most 2 are left-handed.

(iii) standard deviation for the number of lef-handed students

 

Thank You

 
 Mar 18, 2017

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