For the following confidence intervals, find the value that must be used from the z-distribution. a. 90%

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For the following confidence intervals, find the value that must be used from the z-distribution.

a. 90% confidence interval, n_x = 40, n_y = 60

b. 95% confidence interval, n_x= 30, n_y = 40

c. 99% confidence interval, n_x = 40, n_y = 35

d. 80% confidence interval, n_x, = 80, n_y, = 100

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Cambridge International AS & A Level Further Mathematics Coursebook

ISBN: 9781108403375

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Authors: Lee Mckelvey, Martin Crozier

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Question Posted: Sep 27, 2021 01:20 AM

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For the following confidence intervals, find the value that must be used from the z-distribution. a. 90%

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Cambridge International AS & A Level Further Mathematics Coursebook

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