Three hundred adults were asked whether or not they watch for calories and fat content when they buy groceries. TABLE 1 gives the two-way classification of their responses, where yes means that an adult watches for calories and fat content and no means he/she does not watch.
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- A manufacturer has determined that a machine averages one faulty unit for every 500 it produces. What is the probability that an order of 300 units will have one or more faulty units?Show that the probability of drawing a club at random from a standard deck of 52 playing cards is the same as the probability of drawing the ace of hearts at random from a set of four cards consisting of the aces of hearts, diamonds, clubs, and spades.