A Researcher Reports That the Time (In Minutes)it Takes Children

Multiple Choice

A researcher reports that the time (in minutes) it takes children who are "picky eaters" to finish their vegetables is negatively skewed,with children finishing their vegetables in 4.2 ± 1.0 (M ± SD) min.Based on Chebyshev's Theorem,we can conclude that

A) 68% of children finished their vegetables in 3.2-5.2 min.
B) 50% of children finished their vegetables in at least 3.2 min.
C) 99.7% of children finished their vegetables in 2.2-6.2 min.
D) At least 89% of children finished their vegetables in 1.2-7.2 min.