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In: Statistics and Probability

A lecture hall has 190 seats with folding arm​ tablets, 24 of which are designed for​...

A lecture hall has 190 seats with folding arm​ tablets, 24 of which are designed for​ left-handers. The average size of classes that meet there is 182​, and we can assume that about 11​% of students are​ left-handed. What's the probability that a​ right-handed student in one of these classes is forced to use a lefty arm​ tablet?

Solutions

Expert Solution

X:No of right handers in the class of 182 students.

X ~Bin(182,0.89)

WE HAVE USED BINOMIAL APPROXIMATION TO NORMAL SINCE 182 IS A VERY LARGE QUANTITY.

orchestra answered 1 year ago
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