Distance between points in rectangular coordinate system

Reference no: EM1314969

Q1) Time a radio station takes to give the traffic report each hour is regularly distributed between 1 and 5 minutes. Determine the probability that traffic report will take 2 minutes or less? P (Z < -1.17) =?

Q2) In rectangular coordinate system, determine the distance between the points (-4,1) and (8,6).

Q3) Relative risk of 3.0 is reported for association between consumption of red meat and the occurrence of colon cancer. P-value of association is 0.15

Q4) Odds ratio of 7 (95% confidence interval: 3.0- 11.4) is found for association of smoking and lung cancer

Q5) Relationship between cigarette smoking and lung cancer was performed in a case-control study with 700 cases and 425 controls. By using results below compute the crude odds ratio and describe what ratio means?

Heavy smoking- Cases 450; controls; 200

Not heavy smoking- Cases 250; Controls 225

Reference no: EM1314969

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