# Question: Trading volume on a major stock exchange is approximately normally

Trading volume on a major stock exchange is approximately normally distributed with a mean of 232 million shares and a standard deviation of about 44 million shares.

a. What is the probability that the trading volume will be less than 200 million shares?

b. If the exchange wants to issue a press release when trading volume is in the top 2% of trading days, what trading volume would trigger a press release?

c. What percentage of the time does the trading volume exceed 300 million shares?

a. What is the probability that the trading volume will be less than 200 million shares?

b. If the exchange wants to issue a press release when trading volume is in the top 2% of trading days, what trading volume would trigger a press release?

c. What percentage of the time does the trading volume exceed 300 million shares?

**View Solution:**## Answer to relevant Questions

The time that it takes a worker to finish a particular assembly line task is normally distributed, with a mean of 32 seconds and a standard deviation of 10 seconds. The slowest 10% of workers (those with the slowest 10% of ...A campus newspaper claims that 80% of students on campus support the newspaper's position on various issues affecting the college. A random sample of 10 students is taken, and in the sample, only four students say they ...Companies that sell mutual funds charge their investors expense fees to offset the costs of research and administration. The distribution of expense fees is normal, with a mean of 2.5% and a standard deviation of 1.0%. a. ...Suppose the random variable x is the number of magazines subscribed to by a Canadian household. The probability distribution for x is shown in Exhibit 5.39 below. a. What is the probability that a Canadian household ...The number of pages printed before the ink cartridge has to be replaced on an inkjet printer is normally distributed, with a mean of 840 pages and a standard deviation of 224 pages. A new print cartridge has just been ...Post your question