Homework 2 Solution

Homework 2 Solution - MEEN 260 Introduction to Engineering Experimentation Homework 2 Probability and Statistics Assigned Thursday 29 Jan 2009 Due

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Unformatted text preview: MEEN 260 Introduction to Engineering Experimentation Homework 2: Probability and Statistics Assigned: Thursday, 29 Jan. 2009 Due: Thursday, 5 Feb. 2009, 5:00 pm Homework Problems: Problem 1) Determine the relations for converting; a. Kilometers per liter to miles per gallon (US). b. Specific Heat in kJ/kgC to Btu/lbmF. Example: Converting viscosity in 2 ft s lbf ⋅ to 2 m s N ⋅ ⎟ ⎠ ⎞ ⎜ ⎝ ⎛ ⋅ = ⎟ ⎟ ⎠ ⎞ ⎜ ⎜ ⎝ ⎛ ⎟ ⎟ ⎠ ⎞ ⎜ ⎜ ⎝ ⎛ ⎟ ⎟ ⎠ ⎞ ⎜ ⎜ ⎝ ⎛ ⋅ = ⎟ ⎟ ⎠ ⎞ ⎜ ⎜ ⎝ ⎛ ⋅ 2 2 2 2 88 . 47 3048 . 1 22481 . 1 1 1 m s N m ft lbf N ft s lbf ft s lbf Problem 2) The time taken for a computer packet to travel from Cambridge UK to Cambridge MA follows a Gaussian distribution. 6.8% of the packets take over 200 ms to make the trip, and 3% take under 140 ms. Find the mean and standard deviation of the distribution. Problem 3) Sawmill A produces boards whose lengths follow a Gaussian distribution with a mean of 209.4 cm and a standard deviation of 5 cm. A board is accepted if it is longer than 200 cm, but it is rejected otherwise. Sawmill B produces boards with the same standard cm, but it is rejected otherwise....
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This note was uploaded on 07/28/2010 for the course MEEN 260 taught by Professor Langari during the Fall '08 term at Texas A&M.

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Homework 2 Solution - MEEN 260 Introduction to Engineering Experimentation Homework 2 Probability and Statistics Assigned Thursday 29 Jan 2009 Due

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