Question: (Probability) Answer the following: 1. In how many ways can the letters of the word CALCULUS be arranged? How many of these arrangements begin and

(Probability) Answer the following:

1. In how many ways can the letters of the word CALCULUS be arranged? How many of these arrangements begin and end with the same letter?

2. A bag contains 6 red balls and 4 white balls. In how many ways can one draw:

a) 2 white balls

b) 2 balls of different color?

c) 2 balls of the same color?

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