Question: High School Competency Test A mandatory competency test for high school sophomores has a normal distribution with a mean of 475 and a standard deviation

High School Competency Test A mandatory competency test for high school sophomores has a normal distribution with a mean of 475 and a standard deviation of 104. Round the final answers to the nearest whole number and intermediate z -value calculations to 2 decimal places.

(b)The bottom 4.5% of students must go to summer school. What is the minimum score you would need to stay out of this group? The minimum score needed to stay out of this group is

Monthly Mortgage Payments The average monthly mortgage payment including principal and interest is $982 in the United States. Assume that the standard deviation is approximately $180 and the mortgage payments are approximately normally distributed. Find these probabilities of the monthly payment selected randomly. Enter the final answers as decimals rounded to at least four places. Round intermediate z -value calculations to two decimal places.

(b) Between $610 and $1200

P(610

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