Watch this Khan Academy Empirical Rule video:
Use the Empirical Rule. (Do not use technology. Technology will give a slightly different answer.)
Draw a sketch of the normal distribution and label the mean and 1, 2, and 3 standard devitons above and below the mean with computed values.
Assume that the weight of 1-year-old girls in the USA is normally distributed with Mean = 9.5 kg, Standard Deviation = 1.1 kg.
(a) 68% of the data is between which 2 values? kg — kg
(b) 95% of the data is between which 2 values? kg — kg
(c) What percentage of the data is less than 8.4 kg? %
(d) What percentage of the data is between 7.3 kg and 11.7 kg? ?
(w) What percentage of the data is more than 12.8 kg?