Which of the following is not a characteristic of the normal distribution? a. It is svmmetrical around the mean b. It is unimodal c. Fiftv percent of all cases will fall within one standard deviation of the mean d. A set percentage of cases fall within a given standard deviation from the mean Given the following data, convert the raw score into a zscore: x=34, mean=30, sd=2 a. 2.4 b. 3.0 c. 2.00 d. 1.5 Given the following data, convert the raw score into a zscore: x=47, mean=50, sd=3.7 a. 0.811 b. 0.789 c. 0.811 d. 0.789 1i.i"v'hat is the area bevond z for a z score of 1.75? a. 0.0409 b. 0.0418 c. 0.0401 d. 0.0392