If her probability of making a good investment can be estimated to be 1/3 under the condition that she invests in Company 1, 1/5 in Company 2, 1/4 in Company 3, 1/8 in Company 4, 1/7 in Company 5 and 1/3 in Company 6. If she rolls a six-sided, fair die to make her decision and selects the company depending on what number the die shows (e.g. Company 3 if the die shows a 3 etc.), what is the probability that she makes: a) a good investment in Company 3? b) a bad investment in Company 4? c) a bad investment

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