Question: 8.) Morse code uses 2 symbols: dots and dashes. (a) How many distinguishable Morse code sequences can be made using 5 dots and 2 dashes?

8.) Morse code uses 2 symbols: dots and dashes. (a) How many distinguishable Morse code sequences can be made using 5 dots and 2 dashes? (b) What is the probability that a Morse code sequence using 5 dots and 2 dashes will have all of the dots together and all of the dashes together? 9.) In a small preliminary drug trial, 5 people are given version A of the medication, 5 people are given version B, and 5 people are given a placebo. If a random sample of 6 participants is selected for evaluation, what is the probability that at most 2 of them were given the placebo

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