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In: Statistics and Probability

Trading volume on the New York Stock Exchange is heaviest during the first half hour (early...

Trading volume on the New York Stock Exchange is heaviest during the first half hour (early morning) and last half hour (late afternoon) of the trading day. The early morning trading volumes (millions of shares) for 17 days in January and February are shown here (Barron's, January 23, 2006; February 13, 2006; and February 27, 2006)

Trading Volume (millions of shares)
220
198
188
176
201
262
168
270
201
216
199
190
211
179
197
213
187

a. Compute the mean and standard deviation to use as estimates of the population mean and standard deviation

b. What is the probability that, on a randomly selected day, the early morning trading volume will be less than 195 million shares?

c. What is the probability that, on a randomly selected day, the early morning trading volume will exceed 230 million shares?

d. How many shares would have to be traded for the early morning trading volume on a particular day to be among the busiest 5% of days?

**For B, C, D you show the bell curves in addition to the written work**

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Expert Solution

orchestra answered 1 year ago
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