Asked by slomomo
Heights of men on a baseball team have a bell-shaped distribution with a mean of 169 cm and a standard deviation of 9 cm. Using the empirical rule, what is the approximate percentage of the men between the following values? a. 151 cm and 187 cm. b. 160 cm and 178 cm.
Please help I do not understand how to compute this! Thank you for your assistance.
Please help I do not understand how to compute this! Thank you for your assistance.
Answers
Answered by
PsyDAG
Z = (score-mean)/SD
Do you know the 68-95-99.7 rule? Approximately 68% of scores in normal distribution are within one standard deviation (Z)(34% on each side of the mean), 95% within 2 SD, and 99.7% within 3 SD.
Do you know the 68-95-99.7 rule? Approximately 68% of scores in normal distribution are within one standard deviation (Z)(34% on each side of the mean), 95% within 2 SD, and 99.7% within 3 SD.
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