Scores on the SAT form a normal distribution with μ=500 and σ=100.a) What is the minimum score necessary to be in the top 15% of the SAT distribution? Invnom
Q. Scores on the SAT form a normal distribution with μ=500 and σ=100.a) What is the minimum score necessary to be in the top 15% of the SAT distribution? Invnom
Identify z-score: Identify the z-score corresponding to the top 15% of a normal distribution. Use the z-table or calculator to find this value.
Calculate SAT score: Calculate the SAT score using the z-score formula: SAT score=μ+z(σ). Here, μ (mean) = 500 and σ (standard deviation) = 100.