TWENTY ) (d) Find the p-value. (Round to three or more decimal places.) (e) Is there enough evidence to support the policy maker's claim that the proportion of residents who recycle is less than 60%? Yes or No
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(TWENTY )
(d) Find the p-value. (Round to three or more decimal places.)
(e) Is there enough evidence to support the policy maker's claim that the
proportion of residents who recycle is less than 60%?
Yes or No
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- In general,_____% of the values in a data set lie at or below the 94th percential. _______% of the values in a data set lie at or above the 90th percentile... if a sample consists of 800 test scores,___ of them would be at or below 40th percential, if a sample consists of 800 test scores,____ of then would be at or above the 58th percentile.According to Deloitte, through January 25,2006, the majority of companies reporting profits had beaten estimates. Now suppose that for the 4th quarter of 2012, 170 of a random sample of 280 companies reported profits that had beaten estimates. Does the data indicate the proportion of companies in the 4th quarter of 2012 that beat estimates is greater than 56% at α=0.05?ABC Construction Company is going to decide whether they are going to expand their business, build an additional facility, or subcontract a partner company. The research and development department forecasted the following payoff values which are summarized in the table below. The values are expressed as GAINS and alpha = 0.6. Come up with a decision using the different criteria under conditions of uncertainty:
- 5 On March 1, 2019. Fox Bitiness reported that the cheapest seat for the Philadelphia Phillies home opener increased to $117 right after Bryce Harper agreed to, $330 million 13-year contract. *The jump marked a 166 percent increase compared to the price before Harper's signing, when the cheapest available ticket could be purchased for just $44: IR144} (a) Use the 14 trick to confirm the percentage increase in the cheap tickets. (b) How many cheap tickets would the Phillies have to sell to pay Harper? (c) Can ticket sales support Harper's 13-year contract?The brand manager for a brand of toothpaste must plan a campaign designed to increase brand recognition. He wants to first determine the percentage of adults who have heard of the brand. How many adults must he survey in order to be 95% confident that his estimate is within five percentage points of the true population percentage? Assume that a recent survey suggests that about 75% of adults have heard of the brand. N=?The brand manager for a brand of toothpaste must plan a campaign designed to increase brand recognition. He wants to first determine the percentage of adults who have heard of the brand. How many adults must he survey in order to be 80% confident that his estimate is within seven percentage points of the true population percentage? Assume that nothing is known about the percentage of adults who have heard of the brand. What is n?