a) John is taking a Statistics course and received the following scor.pdf

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John took a Statistics midterm exam and scored below the mean. The document provides John's score, the mean, standard deviation, and asks what percentage of students scored better than John. It also provides the parameters of a normal distribution and asks for the probability that a randomly selected score will be between 85 and 110.

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a) John is taking a Statistics course and received the following score on the midterm exam in his
course (see table). The mean and the standard deviation for the midterm exam are also given in
the table below. Assume that the normal distribution provides a good model for the frequency
distribution. What percentage of students scored better than John on the midterm? Show your
work and write a concluding statement. (3 marks) b) A normal distribution has a mean of =100
with =20. If one score is randomly selected from this distribution, what is the probability that the
score will have a value between X=85 and X=110 ? Show your work and write a concluding
statement. (3 marks)

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