Mathematics, 01.11.2019 02:31 michellemaricioxbyk0
What is the study design that the investigators used? a. in 2002, investigators started a study of the association of cholesterol levels and stroke in a group of 2,000 healthy persons who had participated in a cholesterol screening program in 1992. b. the investigators determined exposure categories using cholesterol levels in all persons that were measured at the time of the screening program. c. a cutoff value of 200 mg/dl was used to define "high" cholesterol while those with levels below 200 were identified as having "low" cholesterol. d. using this definition, 1,000 persons had "high" cholesterol levels while the remaining 1,000 persons had "low" cholesterol. e. the investigators determined that 150 cases of stroke occurred by the end of 2004, with 113 cases occurring in the high cholesterol group.
Answers: 2
Mathematics, 21.06.2019 20:50
Determine the common ratio and find the next three terms of the geometric sequence. 649-14-02-00-00_files/i0100000, 649-14-02-00-00_files/i0100001, 2, a. 3; 649-14-02-00-00_files/i0100002, 649-14-02-00-00_files/i0100003, 649-14-02-00-00_files/i0100004. c. 649-14-02-00-00_files/i0100005; 649-14-02-00-00_files/i0100006, 649-14-02-00-00_files/i0100007, 649-14-02-00-00_files/i0100008. b. 3; 6, 18, 54 d. 649-14-02-00-00_files/i0100009. 6, 18, 54 select the best answer from the choices provided a b c d
Answers: 1
Mathematics, 22.06.2019 00:30
Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cot of 61.6
Answers: 1
Mathematics, 22.06.2019 01:40
Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a diamond or heart. (type an integer or a decimal rounded to three decimal places as needed.) (b) compute the probability of randomly selecting a diamond or heart or club. (type an integer or a decimal rounded to three decimal places as needed.) (c) compute the probability of randomly selecting queen or club. (type an integer or a decimal rounded to three decimal places as needed.)
Answers: 2
What is the study design that the investigators used? a. in 2002, investigators started a study of...
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