The masses of all the different pies sold at a market are normally distributed with mean 400

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The masses of all the different pies sold at a market are normally distributed with mean 400 g and standard deviation 61g. Find the probability that:

a. The mass of a randomly selected pie is less than 425 g

b. 4 randomly selected pies all have masses of less than 425 g

c. Exactly 7 out of 10 randomly selected pies have masses of less than 425 g.

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Cambridge International AS & A Level Mathematics Probability & Statistics 1 Coursebook

ISBN: 9781108407304

1st Edition

Authors: Dean Chalmers, Julian Gilbey

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Question Posted: Sep 14, 2021 02:11 AM

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The masses of all the different pies sold at a market are normally distributed with mean 400

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Solution a The mass of a randomly selected pie is less than 42...View the full answer

Cambridge International AS & A Level Mathematics Probability & Statistics 1 Coursebook

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