Mathematics, 30.03.2021 16:50 ashlee7877
Unknown to a medical researcher, 8 out of 20 patients have a heart problem that will result in death if they receive the test drug. 5 patients are randomly selected to receive the drug and the rest receive a placebo. What is the probability that exactly 3 patients will die? Express your answer as a fraction or a decimal number rounded to four decimal places.
Answers: 2
Mathematics, 21.06.2019 22:40
The value of x in this system of equations is 1. 3x + y = 9 y = –4x + 10 substitute the value of y in the first equation: combine like terms: apply the subtraction property of equality: apply the division property of equality: 3x + (–4x + 10) = 9 –x + 10 = 9 –x = –1 x = 1 what is the value of y?
Answers: 1
Mathematics, 21.06.2019 23:00
Jane’s favorite fruit punch consists of pear, pineapple, and plum juices in the ratio 5: 2: 3. how many cups of pear juice should she use to make 20 cups of punch?
Answers: 1
Mathematics, 21.06.2019 23:00
The length of an intercepted arc of a central angle of a circle is 4 cm. if the radius of the circle is 5 cm what is the measurement of the central angle to the nearest whole degree
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Unknown to a medical researcher, 8 out of 20 patients have a heart problem that will result in death...
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