Empirical research on stock market data for two consecutive trading days indicates that 40% of the stocks that went up on the first day also went up on th second day. Yesterday, 600 stocks went up. Answer the following. (If necessary, consult a list of formulas.) (a) Find the mean of p, where p gives the proportion of the 600 stocks that went up yesterday that will go up today. (b) Find the standard deviation of p. (c) Compute an approximation for P(p <0.39), which is the probability that fewer than 39% of the stocks that went up yesterday will go up again today. Round your answer to four decimal places.

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Empirical research on stock market data for two consecutive trading days indicates that 40% of the stocks that went up on the first day also went up on the
second day. Yesterday, 600 stocks went up.
Answer the following. (If necessary, consult a list of formulas.)
(a) Find the mean of p, where p gives the proportion of the 600 stocks that went up yesterday that will go up today.
?
(b) Find the standard deviation of p.
(c) Compute an approximation for P(p <0.39), which is the probability that fewer than 39% of the stocks that went up
yesterday will go up again today. Round your answer to four decimal places.
Transcribed Image Text:Empirical research on stock market data for two consecutive trading days indicates that 40% of the stocks that went up on the first day also went up on the second day. Yesterday, 600 stocks went up. Answer the following. (If necessary, consult a list of formulas.) (a) Find the mean of p, where p gives the proportion of the 600 stocks that went up yesterday that will go up today. ? (b) Find the standard deviation of p. (c) Compute an approximation for P(p <0.39), which is the probability that fewer than 39% of the stocks that went up yesterday will go up again today. Round your answer to four decimal places.
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