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QUESTION 8 Suppose that 650 values in a data set are normally distributed. The mean of the data is 65 and the standard deviation is 5. a. Approximately, what percentage of the values fall in the interval between 50 and 80? b. Approximately, how many values fall in the interval between 70 and 80? (to find how many values use % x total) c. Approximately, how many values are outside three standard deviations of the mean? d. Approximately how many values fall in the interval between the mean and one standard deviation above the mean? e. Approximately how many values fall in the interval between 3-s and + 25? ?

QUESTION 8 Suppose that 650 values in a data set are normally distributed. The mean of the data is 65 and the standard deviation is 5. a. Approximately, what percentage of the values fall in the interval between 50 and 807 b. Approximately, how many values fall in the interval between 70 and 80? y many values use % x total) c. Approximately, how many values are outside three standard deviations of the mean d. Approximately how many values fall in the interval between the mean and one stand e the mean? Between 65 and 70 99.7% 95% Between 70 and 75 103 values 2 values 4 values 221 442 529.75 e. Approximately how many values fall in the interval between x-s and +2s? ?