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According to a study done in 2019, the average monthly expenses for cell phone loads of high school students in Manila was Php 350.00. A Statistics student claims that this amount has increased to Php 380.00 with a standard deviation of Php 77.00 for 200 students since January 2020. Is there enough evidence to support that claim? Use a 0.05 level of significance.

According to a study done in 2019, the average monthly expenses for cell phone loads of high school students in Manila was Php 350.00. A Statistics student claims that this amount has increased to Php 380.00 with a standard deviation of Php 77.00 for 200 students since January 2020. Is there enough evidence to support that claim? Use a 0.05 level of significance.

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
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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Test the hypotheses in each given situation. Draw a conclusion from each situation presented. The owner of a factory that sells a particular brand of bottled fruit juice claims that the average capacity of their product is 250 mL. To test the claim, a consumer According to a study done in 2019, the average monthly expenses for cell phone loads of high school students in Manila was Php 350.00. A Statistics student claims that this amount group gets a sample of 100 such bottles, calculates the capacity of each bottle, and then finds the mean capacity to be 248 mL with a standard deviation of 5 mL. Is the claim true? has increased to Php 380.00 with a standard deviation of Php 77.00 for 200 students since January 2020. Is there enough evidence to support that claim? Use a 0.05 level of significance.
Transcribed Image Text:Test the hypotheses in each given situation. Draw a conclusion from each situation presented. The owner of a factory that sells a particular brand of bottled fruit juice claims that the average capacity of their product is 250 mL. To test the claim, a consumer According to a study done in 2019, the average monthly expenses for cell phone loads of high school students in Manila was Php 350.00. A Statistics student claims that this amount group gets a sample of 100 such bottles, calculates the capacity of each bottle, and then finds the mean capacity to be 248 mL with a standard deviation of 5 mL. Is the claim true? has increased to Php 380.00 with a standard deviation of Php 77.00 for 200 students since January 2020. Is there enough evidence to support that claim? Use a 0.05 level of significance.
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