Question: Assignment: Ch-4_HW_only one part Assignment Score: Save Submit Assignment for G Questions alba06h.ch04.10 Question 1. Check My 2 3. eBook 4 S. A fair coin

Assignment: Ch-4_HW_only one part Assignment Score: Save Submit Assignment for G Questions alba06h.ch04.10 Question 1. Check My 2 3. eBook 4 S. A fair coin (1.e., heads and tails are equally likely) is tossed three times. Let X be the number of heads observed in three tosses of this fair coin. a. Find the probability distribution of X. (Round your answers to three decimal places.) The probability distribution of X is as follows: P(X + x) 0 1 2 3 b. Find the probability that two or fewer heads are observed in three tosses. (Round your answer to three decimal places.) c. Find the probability that at least one head is observed in three tosses. (Round your answer to three decimal places.) d. Find the expected value of X. (Round your answer to one decimal place.) e. Find the standard deviation of X. (Round your answer to three decimal places.) Check My Olcon Key

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