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The exam scores on a certain Society of Actuaries (SOA) professonal examination are Normally
distributed with a mean score of =69% and a standard deviation of =7% (a) What is the probability
that a random chosen person who is writing this SOA exam will score at most 69%? Note, when
finding/using z-values, use three decimals. (use four decimals in your answer) (b) What proportion
of all persons writing this SOA Exam will score between 72% and 82% on the exam? Use four
decimals in your answer. (c) 31% of all persons writing this SOA Examination will not pass. What
is the minimum mark needed to pass this exam? Enter your answer to two decimal places, and
enter as a percentage.

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The exam scores on a certain Society of Actuaries SOA prof.pdf

  • 1. The exam scores on a certain Society of Actuaries (SOA) professonal examination are Normally distributed with a mean score of =69% and a standard deviation of =7% (a) What is the probability that a random chosen person who is writing this SOA exam will score at most 69%? Note, when finding/using z-values, use three decimals. (use four decimals in your answer) (b) What proportion of all persons writing this SOA Exam will score between 72% and 82% on the exam? Use four decimals in your answer. (c) 31% of all persons writing this SOA Examination will not pass. What is the minimum mark needed to pass this exam? Enter your answer to two decimal places, and enter as a percentage.