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Physical Sciences A construction crew excavating a site for a building foundation must remove the rock and prepare a trench for concrete footers. An experiment consists of recording the type of rock present (I, igneous; S, sedimentary; M, metamorphic) and the number of days needed to prepare the site (1 to 5).

a. Carefully sketch a tree diagram to illustrate the possible outcomes for this experiment.

b. Find the sample space S for this experiment.

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