(b) What is an approximate value for e ?

23 Evaluate the following. dx dx

Determine z for the following of a. (Round your answers to two decimal places.) USE SALT (a) a = 0.0067 (b) a 0.18 (c) α = 0.646 You may need to use the appropriate table in the Appendix of Tables to answer this question.

If X Geometric (p), find E(1/X).

Construct a scatter diagram using the data table to the right. This data is from a study comparing the amount of tar and carbon monoxide (CO) in cigarettes. Use tar for the horizontal scale and use carbon monoxide (CO) for the vertical scale. Determine whether there appears to be a relationship between cigarette tar and CO. Construct a scatter diagram. O A. 20- 16- 12- 8- 4- 0- CO Tar 0 4 8 12 1620 Q O B. ACO 20 16- 12- 8- 4- Tar 0- 0 4 8 121620 Is there a relationship between cigarette tar and CO? ... O C. ACO 20 16- 12 8- 4 0- **** Tar 0 4 8 121620 Tar 16 13 1 12 5 0512137 728987 O D. ACO 20 16 12- 8- I Tar 12 18 17 4 0- 0 4 8 121620 Tar Q co 12 11 11 18 17 Full data set O CO Tar 2 11 6 12 14 3 11 7 12 13

(c) Find a such that the equation P=100(1.23)′ can be written as P = 100eat. Give your answer correct to two decimal places.