2. Find the theoretical probability of rolling a sum of 2,3,4,5,6,7,8,9,10,11 and 12.

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You are at a restaurant and owe $56.20 for your meal. you want to leave an 18% tip. approximately how much is your tip?

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.