Find the value of each of the following quantities:C(12, 1)C(8,5) =C(6,5) =C(9, 9) =C(5, 1) =C(10, 1) ==0 pts

The objective of the question is to calculate the value of the combinations for the given pairs of…

Answered: Find the value of each of the following…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Endocrinology In Section 2.10, we described Data Set BONEDEN.DAT concerning the effect of tobacco use on BMD. Note: 2.38-2.40 Involve computing a new variable C. Compute C using the formula given and then use STATA to produce the output requested. 2.38. For each pair of twins, compute the following for the lumbar spine: A = BMD for the heavier-smoking twin − BMD for the lighter-smoking twin = x1 − x2 B = mean BMD for the twinship = (x1 + x2)/2 C = 100% × (A/B) Derive appropriate descriptive statistics for C over the entire study population. 2.39. Suppose we group the twin pairs according to the difference in tobacco use expressed in 10 pack-year groups (0–9.9 pack-years/10–19.9 pack-years/20–29.9 pack-years/30–39.9 pack-years/40+ pack-years). Compute appropriate descriptive statistics, and provide a scatterplot for C grouped by the difference in tobacco use in pack-years 2.40. What impression do you have of the relationship between BMD and tobacco use based on Problem 2.39?
Find the reference number for each value of t. (a) If t = 3 the reference number is t (b) If t 4 the reference number is t (c) If t = 3 ' the reference number is t 13т (d) If t 4 the reference number is t = (e) If t = the reference number is t 117 (f) If t = || 3 the reference number is t
Suppose that a lake is stocked with N fish of the same age, and that M is the mortality rate of the fish (the fraction of the fish that will die of natural causes during the year), and F is the fishing rate (the fraction that will be caught commercially). Then the number of fish C that will be caught during the year is given by the formula C=FN/ M+F; in this formula, M and F must be entered as decimal values. (a) Suppose that the lake is stocked with 5500 catfish at the beginning of the season and that the fish have a 7% mortality rate. If the catfish are removed at a fishing rate of 25%, what are the appropriate values of the quantities N, M and F in this situation? Use these to determine how many catfish will be caught by fishing from the lake. (b) Treat N and M as parameters with the same values given above. Then complete this table of function values of C in terms of F : (c) If this function C = C(F) were graphed, would it be an increasing or decreasing function? Would it…
12. Is the data x representative of a linear, quadratic, or exponential model? x -3 -2 -1 0 -18 -6 -2 0 y O 1 2 2 3 6 18 linear quadratic exponential -3 -2 -2 -1 -1 0 1 y 18 -6 -2 0 2 * 1 2 6 × 18

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Find the value of each of the following quantities: C(12, 1) C(8,5) = C(6,5) = C(9, 9) = C(5, 1) = C(10, 1) = = 0 pts