following is a 95% confidence interval for the proportion of all students at the school who ate breakfast every day last week?

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Fatimah wants to estimate the proportion
of students at her school who ate breakfast
every day last week. She takes a simple
random sample of 80 from the 1000
students at her school and finds that 30 of
those sampled ate breakfast every day last
week. Based on this sample, which of the
following is a 95% confidence interval for
the proportion of all students at the school
who ate breakfast every day last week?
[0.269 - 0.481]
[0.170 - 0.330]
[0.215 - 0.497]
[0.155 - 0.345]
Transcribed Image Text:Fatimah wants to estimate the proportion of students at her school who ate breakfast every day last week. She takes a simple random sample of 80 from the 1000 students at her school and finds that 30 of those sampled ate breakfast every day last week. Based on this sample, which of the following is a 95% confidence interval for the proportion of all students at the school who ate breakfast every day last week? [0.269 - 0.481] [0.170 - 0.330] [0.215 - 0.497] [0.155 - 0.345]
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