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In: Statistics and Probability

Two candidates are running for​ president: John Democrat and Joe Republican. A recent survey concluded that...

Two candidates are running for​ president: John Democrat and Joe Republican. A recent survey concluded that John Democrat had a probability of 0.44 to win the election.Two hundred people are interviewed at random about whom they would vote for. A random variable X is defined as the number of people who said they would vote for John Democrat. Find the expected value of the random variable

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Expert Solution

p = 0.44

n = 200

Expected value = n * p = 200 * 0.44 = 88 (ans)                                                                                                                                                                                                                

orchestra answered 1 year ago
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