Suppose that a stock market analyst is correct in guessing whether the Dow Jones will rise...
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Suppose that a stock market analyst is correct in guessing whether the Dow Jones will rise or fall on any given day with a probability of 0.7. The probability of guessing correctly on any day is the independent of the probability of guessing correctly any other day. What is the probability she will guess correctly at least 18 times out of a month with 21 trading days. Suppose that a stock market analyst is correct in guessing whether the Dow Jones will rise or fall on any given day with a probability of 0.7. The probability of guessing correctly on any day is the independent of the probability of guessing correctly any other day. What is the probability she will guess correctly at least 18 times out of a month with 21 trading days.
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Related Book For
Statistics For Business And Economics
ISBN: 9780132745659
8th Edition
Authors: Paul Newbold, William Carlson, Betty Thorne
Posted Date:
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