You are listening to a peer educate her patient about heart…
You are listening to a peer educate her patient about heart health and exercise. She says to the patient, “The American Heart Association guidelines recommend doing at least a half hour or more of moderate physical activity such as biking, walking, running, gardening, aerobics, swimming or jumping rope. These activities should be done five to seven days of each week and this is good for your cardiovascular system.” When she asks you if she used language that was considered “plain language,” you would answer:
Read DetailsAn instructor gives an exam with 15 questions, 7 questions r…
An instructor gives an exam with 15 questions, 7 questions require proof and 8 do not. Students are allowed to choose any 10 to answer. (1) How many different choices of ten questions are there? [a1] (2) How many groups of 10 questions contain 3 that require proof and 7 that do not? [a2] (3) How many groups of 10 questions contain at most 3 that require proof? [a3] (Please fill each blank with an integer and without comma or period.) (4) When randomly selecting 10 questions from the given 15 questions, what is the probability of randomly selecting 3 requiring proof and 7 not requiring proof? [a4] (Please fill the blank with a fraction in the form of M/N such as 2/3, where M and N are integers. DO NOT fill the blank with a decimal number or a percentage such as 0.67 or 67%. )
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