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One hundred students were asked their gender and hair color. The results are summarized in the table. Suppose a student is selected at random from...
One hundred students were asked their gender and hair color. The results are summarized in the table. Suppose a student is selected at random from the sample (an experiment). Are the events "has red hair" and "is male" independent? Are the events "has blonde hair" and "female" independent? A certain type of refrigerator comes in three sizes, each of which is r available with or without an iceake Yes em Ic No maker. The accompanying table gives the relevant probabilities for a randomly selected purchaser. What is the probability that the purchaser selects a 21 cu ft refrigerator? A refrigerator with an icemaker? Given that the purchaser selected a model with an icemaker, what is the probability that it was a 21 cu ft model?
