A Consumer Product Magazine Recently Ran a Story Concerning the Increasing

question 38

Multiple Choice

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 are now 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 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. What null and alternative hypothesis should be tested?

• A) \(\mathrm { H } _ { 0 } : \mu = 215\) vs. \(\mathrm { H } _ { \mathrm { A } } : \mu < 215\)
• B) \(\mathrm { H } _ { 0 } : \mu \geq 215\) vs. \(\mathrm { H } _ { \mathrm { A } } : \mu < 215\)
• C) \(\mathrm { H } _ { 0 } : \mu = 215\) vs. \(\mathrm { H } _ { \mathrm { A } } : \mu \neq 215\)
• D) \(\mathrm { H } _ { 0 } : \mu = 215\) vs. \(\mathrm { H } _ { \mathrm { A } } : \mu > 215\)

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Definitions:

Extremities

The limbs of the human body, particularly the arms and legs, including their related structures such as hands and feet.

Environmental Modifications

Changes made to the physical surroundings to improve safety or accommodate specific needs.

Patient Safety

The practice of preventing harm to patients during the course of healthcare, encompassing a range of practices and protocols.

Frequent Reorientation

A technique often used in the care of individuals with cognitive impairment, involving regular communication to help them be aware of time, place, and person.