Heights in centimeters of girls at the start of 1st grade are approximately normal with mean 122, standard deviation 5. Based on thez-score for each of the following heights, use the 68-95-99.7 Rule to estimate the probability of being this short or shorter (if below average), or the probability of being this tall or taller (if above average).
a. 106 centimeters
b. 125 centimeters
c. 116 centimeters
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