The design of an electronic circuit for a toaster calls for a 100-ohm resistor and a 250-ohm

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The design of an electronic circuit for a toaster calls for a 100-ohm resistor and a 250-ohm resistor connected in series so that their resistances add. The resistance X of a 100-ohm resistor in a randomly selected toaster follows a Normal distribution with mean 100 ohms and standard deviation 2.5 ohms. The resistance Y of a 250- ohm resistor in a randomly selected toaster follows a Normal distribution with mean 250 ohms and standard deviation 2.8 ohms. The resistances X and Y are independent.

a. Describe the distribution of the total resistance of the two components in series for a randomly selected toaster.

b. Find the probability that the total resistance for a randomly selected toaster lies between 345 and 355 ohms.

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Related Book For  book-img-for-question

The Practice Of Statistics

ISBN: 9781319113339

6th Edition

Authors: Daren S. Starnes, Josh Tabor

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