A Statistics student was asked to solve the problem below. See the student’s attempt at the question and list all of the errors. Correct the errors to solve the question. Question: An average of 0.8...


A Statistics student was asked to solve the problem below. See the student’s attempt at the question and list all of the errors. Correct the errors to solve the question.


Question: An average of 0.8 accidents occur every day on the roads of Trinidad and Tobago. Find the probability that at least 2 accidents will occur in Trinidad and Tobago on a given day.



Student's attempt<br>Let X = the number of accidenty<br>X ~ Po(0.8)<br>The possible values of X are 1, 2, 3,s<br>P(X > 2) = 1 - [P(X=1) +P(X =2)]<br>e*0.8'<br>$0.82<br>- 1 - (0.35946 + 0.14379) = 1 - 0.49675<br>%3D<br>1!<br>2!<br>

Extracted text: Student's attempt Let X = the number of accidenty X ~ Po(0.8) The possible values of X are 1, 2, 3,s P(X > 2) = 1 - [P(X=1) +P(X =2)] e*0.8' $0.82 - 1 - (0.35946 + 0.14379) = 1 - 0.49675 %3D 1! 2!

Jun 09, 2022
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