You are planning to buy acellphone with a goodquality in order to attendthe online class. Theaverage price of 80cellphones is Php42,500with a margin of error ofPhp 1583.75 and aconfidence level of 99%.Find the confidenceinterval. Example:(0.4802, 0.5598)Your answer

Confidence interval for population mean (μ) is , ( x¯-E, x¯+E) Where , x¯ is sample mean E is…

Answered: You are planning to buy a cellphone…

College Algebra

1st Edition

ISBN:9781938168383

Author:Jay Abramson

Publisher:Jay Abramson

Chapter9: Sequences, Probability And Counting Theory

Section9.7: Probability

Problem 57SE: Use this data for the exercises that follow: In 2013, there were roughly 317 million citizens in the...

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Use this data for the exercises that follow: In 2013, there were roughly 317 million citizens in the United States, and about 40 million were elderly (aged 65 and over).[34] 59. If you meet five U.S. citizens, what is the percent chance that four are elderly? (Round to the nearest thousandth of a percent.)
Use this data for the exercises that follow: In 2013, there were roughly 317 million citizens in the United States, and about 40 million were elderly (aged 65 and over).[34] 58. If you meet five U.S. citizens, what is the percent chance that three are elderly? (Round to the nearest tenth of a percent)
Use this data for the exercises that follow: In 2013, there were roughly 317 million citizens in the United States, and about 40 million were elderly (aged 65 and over).[34] 57. If you meet five U.S. citizens, what is the percent chance that exactly one is elderly? (Round to the nearest tenth of a percent.)
Use this data for the exercises that follow: In 2013, there were roughly 317 million citizens in the United States, and about 40 million were elderly (aged 65 and over).[34] 56. If you meet a U.S. citizen, what is the percent chance that the person is elderly? (Round to the nearest tenth of a percent.)
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You are planning to buy a cellphone with a good quality in order to attend the online class. The average price of 80 cellphones is Php42,500 with a margin of error of Php 1583.75 and a confidence level of 99%. Find the confidence interval. Example: (0.4802, 0.5598)