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Here are the steps to solve this problem: 1) The sample space for tossing 4 coins is {HHHH, HHHT, HHTH, HTHH, THHH, HTTT, THTH, THHT, TTHH, TTHT, TTTH, TTTT} 2) The possible values of the random variable Z (number of tails) are {0, 1, 2, 3, 4} 3) The probabilities are P(Z=0) = 1/16, P(Z=1) = 4/16, P(Z=2) = 6/16, P(Z=3) = 4/16, P(Z=4) = 1

Author

Lala dela Cruz - Fetizanan

Language

EN