There are about 3 million deaths per year in US. Of these, 660,283 are heart disease-related. Assuming a 78.5-year life expectancy and ignoring age factors, what is the annual risk of dying (in percentage) from heart disease? Enter your answer with two decimal points.
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- A football field has 60,000 square feet. Convert this to square meters (1 inch=2.54 cm)If I make a solution by adding water to 75 mL of ethanol until the total volume of the solution is 375 mL, what’s the percent by volume of ethanol in the solution?According to a survey, 85% of American adults eat salad at least once a week. A nutritionist suspects that the percentage is higher than this. She conducts a survey of 200 American adults and finds that 171 of them eat salad at least once a week. Conduct the appropriate test that addresses the nutritionist's suspicion. Use an a = 0.05 level of significance. State the null and alternative hypothesis: What parameter are we testing? Ho: H₁: Assumptions: SRS, n < 0.05N, npo (1 - po) By hand, test statistic is (Round to 5 decimals): P-value. Round to 4 decimals: Conclusion: There is (enter sufficient or insufficient) evidence at the a = 0.05 level of significance to conclude that the percentage of adult Americans that eat salad at least once a week is ("equal to" or "higher than" or "less than" or "not equal to") 85%.
- A typical sheet of paper is 8.5 inches wide and 11 inches long. Calculate the length of one sheet in cm? calculate the length of the sheet in millimeters and meters.A cubic box contains 385 grams of water. What is the length of one side of the box in meters?A certain wind turbine has a nameplate capacity of 2 MW. If the average capacity factor is 41%, how much energy in MWh does the turbine generate each week? Please include one decimal place in your answer. Hint: there are 168 hours in a week.
- A rectangular field in a park is 51.5 ft wide and 137 ft long. What is the area of the field in square meters?A European automobile has gas mileage of 14.0 km/L. What is that gas mileage in miles per gallon?Density is how much you have in a volume. If I put 14.76 kilogram(s) of carbon dioxide in an empty 2.11 m3 bottle, what is the density of the gas after filling it? Round to nearest 2 decimals.
- If a student found the density of 10 glass beads to be 2.50 g/ml, what would be the density of 1 glass bead?If the cost to do business for a particular company is $4,000 for the startup fee plus $250 per day thereafter, write a graph linear equation that could represent the cost over time. How much cost will there be after 1 month (assume that there are 30 days in that month's time)?The outside temperature can be estimated based on how fast crickets chirp. At 104 chirps per minute, the temperature is 6363 °F. At 176 chirps per minute, the temperature is 8181 °F. Using this information, you can make a formula that relates chirp rate to temperature. Assume the relationship is linear, that is the points form a straight line when plotted on a graph. What is the temperature if you hear 156156 chirps per minute?