To Compare the Effect of Weather on Sales of Soft

question 21

Multiple Choice

To compare the effect of weather on sales of soft drinks, a soda manufacturer sampled two regions
Of the country with the following results. Is there a difference in sales between the 2 regions?
i. The null hypothesis is pa - pb = 0.
ii. The alternate hypothesis is pa - pb ≠ 0.
iii. The proportion of sales made in Market Area 1 is 0.45.

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) and (ii) are correct statements but not (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements but not (i).
• E) (ii) is a correct statement but not (i) and (iii).

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Definitions:

Incomplete Sterilization

A process failure where medical tools, devices, or supplies are not fully sterilized, potentially leaving harmful microorganisms intact.

Autoclaved Load

Items that have been sterilized in an autoclave, a machine that uses steam under pressure to kill bacteria, viruses, and other pathogens.

Steam Temperature

Steam temperature is the temperature at which water vaporizes to become steam, varying based on pressure but typically around 100°C (212°F) at sea level.

Sterilized

Made free from all living microorganisms and their spores, typically through methods like autoclaving, irradiation, or chemical sterilization.