Author Question: 150 students in a math class take the final exam. The scores on the exam have an approximately ... (Read 178 times)

Pea0909berry · **on:** May 5, 2020

Question 1

150 students in a math class take the final exam. The scores on the exam have an approximately normal distribution with mean μ = 65 and standard deviation σ = 10.

A score of 85 corresponds to a standardized value of
◦ 8.5.
◦ 20.
◦ 2.
◦ -2.
◦ none of these

Question 2

150 students in a math class take the final exam. The scores on the exam have an approximately normal distribution with mean μ = 65 and standard deviation σ = 10.

A score of 50 corresponds to a standardized value of
◦ -5.
◦ 5.
◦ 1.5.
◦ -1.5.
◦ none of these

Joc · **Reply #1 on:** May 5, 2020

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