product magazine recently ran a story concerning the increasing prices of digital cameras. The story stated that digital camera prices dipped a couple of years ago, but now are beginning to increase in price because of added features. According to the story, the average price of all digital cameras a couple of years ago was $215.00. A random sample of n = 22 cameras was recently taken and entered into a spreadsheet. It was desired to test to determine if that average price of all digital cameras is now more than $215.00. Find a rejection region appropriate for this test if we are using a = 0.05. Reject Ho if t > 2.080 or t < -2.080 Reject Ho if t > 1.717 O Reject Ho if t > 1.721

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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A consumer product magazine recently ran a story concerning the increasing prices of digital
cameras. The story stated that digital camera prices dipped a couple of years ago, but now are
beginning to increase in price because of added features. According to the story, the average
price of all digital cameras a couple of years ago was $215.00. A random sample of n = 22
cameras was récently taken and entered into a spreadsheet. It was desired to test to determine if
that average price of all digital cameras is now more than $215.00. Find a rejection region
appropriate for this test if we are using a = 0.05.
!!
O Reject Ho ift> 2.080 or t -2080
O Reject Ho if t> 1.717
O Reject Ho if t > 1.721
O Reject Ho ift> 1.725
Transcribed Image Text:A consumer product magazine recently ran a story concerning the increasing prices of digital cameras. The story stated that digital camera prices dipped a couple of years ago, but now are beginning to increase in price because of added features. According to the story, the average price of all digital cameras a couple of years ago was $215.00. A random sample of n = 22 cameras was récently taken and entered into a spreadsheet. It was desired to test to determine if that average price of all digital cameras is now more than $215.00. Find a rejection region appropriate for this test if we are using a = 0.05. !! O Reject Ho ift> 2.080 or t -2080 O Reject Ho if t> 1.717 O Reject Ho if t > 1.721 O Reject Ho ift> 1.725
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