Confidence in institutions. A Gallup Poll (June 9 to 12, 2008) interviewed a random sample of 822 adults (18 years or older). The people in the sample were asked about their level of confidence in a variety of institutions in the United States. Here are the results for small and big businesses:

                                        Great deal    Quite a lot   some   Very Little  None     No opinion
Small Business                    0.28            0.32             0.31      0.07           0.00         0.02
Big Business                        0.07            0.13            0.43       0.32           0.03         0.02



(a) What is the probability that a randomly chosen person has either no opinion, no confidence, or very little confidence in small businesses? Find the similar probability for big businesses.

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Probability of little confidence in small businesses P s... View the full answer