Problem 1B Determination of Confounding Factors using a Test of Independence Age and CVD Frequencies Age Incident CVD No CVD Total 45 (36 555 <50 600 50+ 339 400 61 106 Total 894 1000 B. Is age independent of incident CVD? Perform a y2 test of independence Remember to document the five steps used in hypothesis testing. C. Why is age a confounding factor in this example?

Q: 3. Write each given complex number in the form of a + bi a) 2e3+i

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Q: Question 8: If – 9 is a root of the 3 7 equation 2 7 6 2 = 0 = 0, then the other two roots are

A: Introduction :

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A: Find the sum of the angles and measure of a single in a regular nonagon.

Q: Question 5

A: solve for x

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Q: QUESTION 5 a) Solve the equation log, x + 28 log, 5 = 11. b) The diagram below shows two arcs, AD…

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A: T1 = 22 C T2 = 166 C L0 = 0.5 in