I need the correct and step by step answer all the parts, answer for incomplete parts will get down vote. h: " n persons are seated on n chairs at a round table. Find the probability that two specified persons are sitting next to each other. i: Twenty books are placed at random in a shelf. Find the probability that a particular of books shall be: (i) Always together (ii) Never together. I need the correct and step by step answer all the parts, answer for incomplete parts will get down vote. i: 1 vehicle when cimbing up a gradient, consumes petrol at the rate of 1 litre per 8 km while coming down it gives 12 kms. per litre. Find its average consumption for to and fro travel between two places situated at the two ends of a 25 km long gradient, Verify your answer. j: The arthmatic mean of two observations is 127.5 and their geometric mean is 60. Find (i) their harmonic mean and (i) the two observations: (k) :Show that in finding the A.M. of a set of readings on a thermometer, it does not matter whether we measure the temperature in Centigrade (C) or Fahrenheit (F) degrees. l). Evaluate an appropriate measure of dispersion for the following data Less than. Income In Dollars: 50, 50-70, 70-90, 90-110, 170-130, 130-150, Above 150. No. of persons, 54, 100, 140, 300, 230, 125, 51 (b) Comment on the following: If the coefficient of quartile deviation (Q.D) is 0.6 and QD= 15. then Q1 - 10 and Q3 = 40

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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I need the correct and step by step answer all the parts, answer for incomplete parts will get down vote. h: " n persons are seated on n chairs at a round table. Find the probability that two specified persons are sitting next to each other. i: Twenty books are placed at random in a shelf. Find the probability that a particular of books shall be: (i) Always together (ii) Never together. I need the correct and step by step answer all the parts, answer for incomplete parts will get down vote. i: 1 vehicle when cimbing up a gradient, consumes petrol at the rate of 1 litre per 8 km while coming down it gives 12 kms. per litre. Find its average consumption for to and fro travel between two places situated at the two ends of a 25 km long gradient, Verify your answer. j: The arthmatic mean of two observations is 127.5 and their geometric mean is 60. Find (i) their harmonic mean and (i) the two observations: (k) :Show that in finding the A.M. of a set of readings on a thermometer, it does not matter whether we measure the temperature in Centigrade (C) or Fahrenheit (F) degrees. l). Evaluate an appropriate measure of dispersion for the following data Less than. Income In Dollars: 50, 50-70, 70-90, 90-110, 170-130, 130-150, Above 150. No. of persons, 54, 100, 140, 300, 230, 125, 51 (b) Comment on the following: If the coefficient of quartile deviation (Q.D) is 0.6 and QD= 15. then Q1 - 10 and Q3 = 40.

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