Core stretch A factory packs 3600 cereal boxes. The probabilities that a box is underweight and over

Question

Core stretch A factory packs 3600 cereal boxes. The probabilities that a box is underweight and overweight are $\frac{1}{12}$ and $\frac{1}{18}$, respectively. One box is selected at random.

Accepted Answer

(a) $\frac{31}{36}$ (b) $200$ (c) $1400$.

Quality-control probabilities and added items

Quality-control probabilities and added items

Solution:

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