The mass of a berry from a particular type of bush is normally distributed with mean 7 08 grams and standard deviation It is known that 5 of the berries have a mass of exactly 12 grams or more a Find the value of b Find the proportion of berries that have a mass of between 6 and 8 grams ...

a To find the value of we can use the standard normal distribution and the fact that 5 of the berrie ...

The mass of a berry from a particular type of bush is normally distributed with mean 7.08

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The mass of a berry from a particular type of bush is normally distributed with mean 7.08 grams and standard deviation σ . It is known that 5% of the berries have a mass of exactly 12 grams or more.

a. Find the value of σ.

b. Find the proportion of berries that have a mass of between 6 and 8 grams.

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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 mass of a berry from a particular type of bush is normally distributed with mean 7.08

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

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