The price of a certain combo meal at different franchises of a national fast food company varies from $5.00 to $17.38 and has a krOWA standard deviation of $2.19. Asample of 29 students in an online course that includes students across the country stated that their average price is $6.00. The students have also stated that theyare generally unwilling to pay more than $6.75 for this meal Formulate and conduct a hypothesis test to determine if you can COnclude that the population mean isless than $6.75. Use a level of significance of 0.05Is there sufficient evidence at the 0.05 level of significance that the population mean is less than $6.752Determine the nuil hypothesis, H,, and the alternative hypothesis. H,(Type integers or decimals. Do not round.)

Answered: Image /qna-images/answer/2b9c5ce3-27f7-4d2f-973f-40d635eed7cd.jpg

Answered: The price of a certain combo meal at…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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An auditor, pressed for time and on a low budget, is concerned with account errors on customer credit. She takes a sample of 25 accounts, and finds the account error, on average, is $-23, with a standard deviation of $16. Is the claim of the manager that errors average only $-10 supported? In this case, the null hypothesis is what?
2) A job placement director claims that the average starting salary for nurse is $26000. A sample of 18 nurses has a mean salary of $25620 and a standard deviation of $680. Is there enough evidence to reject the directors claim at a = 5% LOS?
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