Mathematics, 02.12.2019 17:50 glocurlsprinces

# Some have argued that throwing darts at the stock pages to decide which companies to invest in could be a successfulâ€‹ stock-picking strategy. suppose a researcher decides to test this theory and randomly chooses 150 companies to invest in. after 1â€‹ year, 78 of the companies were consideredâ€‹ winners; thatâ€‹ is, they outperformed other companies in the same investment class. to assess whether theâ€‹ dart-picking strategy resulted in a majority ofâ€‹ winners, the researcher tested upper h 0 â€‹: pequals 0.5 versus upper h 1 â€‹: pgreater than 0.5 and obtained aâ€‹ p-value of 0.3121 . explain what thisâ€‹ p-value means and write a conclusion for the researcher.â€‹ (assume alpha is 0.1 orâ€‹ less.)

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