Crates of tea should contain 200 kg, but it is known that 1 out of 45 crates,

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Crates of tea should contain 200 kg, but it is known that 1 out of 45 crates, on average, is underweight. A sample of 630 crates is selected at random.

a. Find the probability that more than 12 but fewer than 17 crates are underweight.

b. Given that more than 12 but fewer than 17 crates are underweight, find the probability that more than 14 crates are underweight.

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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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Crates of tea should contain 200 kg, but it is known that 1 out of 45 crates,

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a Let be the number of crates found to be underweight The goal is to find the probability that more ...View the full answer

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

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