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In order to increase revenue, many video game publishers sell downloadable content (DLC) separately from the main game. Such content could include additional costumes for the playable characters, additional online game modes, special weapons, etc.
A recent industry survey polled 700 game players ages 20 to 30 asking them how important DLC was to their enjoyment of a game. In that sample, 580 people reported that DLC was "very important" to them.
Suppose that the company conducting the survey wants to see if the true population proportion of game players who believe DLC is "very important" is greater than 0.80. Calculate the p-value of the test of this hypothesis, to three decimal places.
a group of statistics students decided to conduct a survey at their university to find the average mean amount of time
The company SlimDown makes weight loss products.
Solve manually and then by mega stat. Indicate your decision rule, your hypotheses and your statistical and management conclusions."
Question 1: In a certain city with a population of 1 million people, 5,000 people died last year. In the same city 10,000 were known to have cancer last year, of whom 500 died.
If sales invoices are automatically calculated and posted by a company's computer system, can the auditor reduce substantive tests of transactions for the accuracy objective? Why?
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