In a certain town, 63% of homes have an internet connection. a. In a random sample of

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In a certain town, 63% of homes have an internet connection.

a. In a random sample of 20 homes in this town, find the probability that:

i. Exactly 15 have an internet connection

ii. Exactly nine do not have an internet connection.

b. Use a suitable approximation to find the probability that more than 65% of a random sample of 600 homes in this town have an internet connection.

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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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In a certain town, 63% of homes have an internet connection. a. In a random sample of

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

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