Some companies who make those annoying phone calls to try to sell you something generate the phone numbers randomly. a. Given that seven-digit phone numbers NNN-NNNN can't have a 0 or a 1 as the fist digit, how many different numbers are possible (within one area code)? type your answer... possibile numbers b. One company is working your area code tonight, 10 people each making an average of 20 calls per hour. If it takes your family a half hour to each supper, what's the probability you get a call during mealtime? P(call during mealtime)- type your answer.....

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