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### hw4

Course: PH 689, Fall 2009
School: University of Alabama...
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Fall PH689-01 2006 Statistical methods for physics and astrophysics Assignment #4 Thursday, Sept. 7, 2006 1. Problem 2.12 from Bevington, Second Edition. 2. The frequency of twins in European is population about 12 in every 1,000 maternities. What is the probability that there are no twins in 200 births, using (a) the binomial distribution, and (b) the Poisson approximation?

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Fall PH689-01 2006 Statistical methods for physics and astrophysics Assignment #4 Thursday, Sept. 7, 2006 1. Problem 2.12 from Bevington, Second Edition. 2. The frequency of twins in European is population about 12 in every 1,000 maternities. What is the probability that there are no twins in 200 birt...

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University of Alabama in Huntsville - PH - 689
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University of Alabama in Huntsville - PH - 689
PH689-01 Fall 2006 Statistical methods for physics and astrophysics Assignment #7 Tuesday, Sept. 26, 2006 1. Consider the following two-dimensional data: Xi 0.0 1.0 2.0 3.0 4.0 Yi 25 36 47 64 81Assume that Yi derive from a photon-counting experim
University of Alabama in Huntsville - PH - 689
PH689-01 Fall 2006 Statistical methods for physics and astrophysics Assignment #5 Tuesday, Sept. 12, 2006 1. Problem 7.2 of Bulmer, part (b). 2. Problem 7.8 of Bulmer, part (b).
University of Alabama in Huntsville - PH - 689
PH689-01 Fall 2006 Statistical methods for physics and astrophysics Solutions for Assignment #5 1. Problem 7.2 of Bulmer, part (b). The score of an IQ test is distributed as a Gaussian of = 100, = 16. (a) The sampling distribution of the mean with
University of Alabama in Huntsville - PH - 689
PH689-01 Fall 2006 Statistical methods for physics and astrophysics SOLUTIONS to Assignment #3 1. Show that the variance of a binomial distribution equals N p q. X is a binomial random variable: E(X 2 ) = N n=0 = E(X)2 + pqNN n d n2 pn (1 p)N
University of Alabama in Huntsville - PH - 689
PH689-01 Fall 2006 Statistical methods for physics and astrophysics Assignment #6 Tuesday, Sept. 14, 2006 1. Problem 3.2 from Bevington, 2nd edition. 2. Problem 3.3 from Bevington, 2nd edition. 3. Problem 3.5 from Bevington, 3rd edition.
University of Alabama in Huntsville - PH - 689
PH689-01 Fall 2006 Statistical methods for physics and astrophysics SOLUTIONS to Assignment #6 1. Problem 3.2 from Bevington, 2nd edition. A= D 2 4 Since the function is a power, use (3.28) with a = , b=2 4A A=bD D=2%.1 21 Same conclusio
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PH661 Fall 2008 Statistical methods for physics and astrophysics Assignment #1 Thursday, August 21, 2008 1. Consider 3 baseball players: Player A was at bat 200 times, hitting .310; player B was at bat 250 times, hitting .290; player C was at bat 3
University of Alabama in Huntsville - PH - 689
PH689-01 Fall 2006 Statistical methods for physics and astrophysics SOLUTIONS to Assignment #1 1. Consider 3 baseball players: Player A was at bat 200 times, hitting .310; player B was at bat 250 times, hitting .290; player C was at bat 300 times, h
University of Alabama in Huntsville - PH - 661
PH661 Fall 2008 Statistical methods for physics and astrophysics Assignment #6 Monday, Oct. 6, 2008 1. A counter records gamma rays from a radioactive source. The number of counts, including the background, are recorded in 1-minute intervals, as sh
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University of Alabama in Huntsville - PH - 689
PH689-01 Fall 2006 Statistical methods for physics and astrophysics Assignment #3 Thursday, August 31, 2006 1. Show that the variance of a binomial distribution equals N p q. 2. It is known that 7.3% of students of a given course fail, and 92.7%
University of Alabama in Huntsville - PH - 689
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