Consider the Following to Answer the Question(s) Below

question 18

Multiple Choice

Consider the following to answer the question(s) below:
After completing sales training for a large company, it is expected that a salesperson will generate a sale on more than 15 percent of the calls he or she makes. To make sure that the sales training process is working, a random sample of 400 sales calls made by sales representatives who have completed the training have been selected and the null hypothesis is to be tested at 0.05 alpha level. Suppose that a sale is made on 76 of the calls.
-The appropriate null and alternative hypotheses are

• A) H0 : p = 0.15 and HA : p > 0.15.
• B) H0 : p > 0.15 and HA : p = 0.15.
• C) H0 : p = 0.15 and HA : p < 0.15.
• D) H0 : p < 0.15 and HA : p = 0.15.
• E) H0 : p = 0.15 and HA : p ≠ 0.15.

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Definitions:

Capitalism

An economic system characterized by private or corporate ownership of goods and services, where investments, production, distribution, and prices are determined mainly by competition in a free market.

Kyoto Protocol

An international agreement linked to the United Nations Framework Convention on Climate Change, which commits its parties to reduce greenhouse gas emissions, based on the premise that global warming exists and human-made CO2 emissions have caused it.

Species Diversity

The variety and variability of species within a particular region, contributing to the health and resilience of ecosystems.

Ecosystem Diversity

The variety of different habitats, living communities, and ecological processes in the natural world.