Activity 3: SOLVE ME
To solve the application problems in this section, transform the values of the variable to z
values.
1. Alex scored 90 during the first periodic exam in Mathematics and 88 during the second periodic
exam. The scores in first periodic exam have a mean μ = 83 and a standard deviation = 9. Scores
in the second periodic exam have a mean u = 80 and a standard deviation d = 8. In which
periodic exam was his standing better, assuming that the scores in his periodic exams are normally
distributed?
On a final examination in Biolog
75
5 17 Determina
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