A fair six-sided die is rolled four times. (a) What is the probability that all four rolls are 6? (Round your answer to six decimal places.) (b) What is the probability that it comes up 1 at least once? (Round your answer to six decimal places.)

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A: Given,  The graph of the straight line and the curve  We have to write the solution of system of…

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A: Hey, since there are multiple subparts posted, we will answer first question. If you want any…

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A: We find inverse of given Matrix

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A: First factor the equation