A calculus exam has a mean of µ = 73 and a standard deviation of σ = 4. Trina's score on the exam was 79, giving her a z-score of +1.50. The teacher standardized the exam distribution to a new mean of µ = 70 and standard deviation of σ = 5.What is Trina's z-score for the standardized distribution of the calculus exam?a. z = +.75 b. z = +2.25 c. z = +.50 d. z = +1.50
