Math Solutions

[Steps Shown] A stockbroker thought that the average number of shares of stocks traded daily in the stock market was about 500 million. To test the claim,

Question: A stockbroker thought that the average number of shares of stocks traded daily in the stock market was about 500 million. To test the claim, a researcher selected a random sample of 40 days and found the mean number of shares traded each day was 506 million shares. The standard deviation of the sample was 10.3. At = 0.05 is there enough evidence to reject the broker’s claim? Based on the results, do you agree or disagree with the stockbroker?

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