Mathematics, 23.07.2019 05:20 Sadiecoyle37
Amedical researcher wants to construct a 99% confidence interval for the proportion of knee replacement surgeries that result in complications. an article in the journal of bone and joint surgery suggested that approximately 8% of such operations results in complications. using this estimated, what sample size is needed so that the confidence interval will have margin of error of 0.075
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Mathematics, 21.06.2019 17:00
Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?
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Mathematics, 21.06.2019 19:00
Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?
Answers: 2
Mathematics, 21.06.2019 21:00
From the beginning of the day the temperature rose 15 degrees so that by 4 pm it was 87 degrees. what was the temperature at the start of the day
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Amedical researcher wants to construct a 99% confidence interval for the proportion of knee replacem...
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