a) Null hypothesis (
) for merrill lynch customers are given as
Alternative hypothesis:
t = 1.992
<h3>
What is null hypothesis?</h3>
- Conjectures used in statistical tests, which are formal techniques for drawing conclusions or making judgments based on data, include the null hypothesis and the alternative hypothesis.
- The hypotheses, which are based on a sample of the population, are suppositions regarding a statistical model of the population. The tests are essential components of statistical inference and are frequently used to distinguish between statistical noise and scientific claims when interpreting experimental data in science.
- The null hypothesis, which is the statement being tested in a test of statistical significance, is typically a declaration of "no effect" or "no difference," and the test of significance is intended to evaluate the strength of the evidence against it
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Answer:
a. increase price in the short run but not in the long run.
Explanation:
A perfectly competitive market is one in which firms in an economy produce similar goods, and use resources that are limited in quantity.
An increase in demand will result in a corresponding increase in price, and results in firms making high profits. In the diagram below it results in a shift of demand from D1 to D2.
In the long run as firms have low barrier to entry more firms enter the market and supply shifts from S1 to S2. There is reduction in prices and profits start to fall. This is illustrated in the second diagram.
Answer:
1. Calculate Your Food Costs
2. Be Consistent When Calculating Inventory
3. Work with Your Food Suppliers
4. Join a Group Purchasing Organization
5. Manage Your Food Orders
6. Implement Restaurant Portion Control
7. Use the First In, First Out (FIFO) Method
8. Utilize Your Daily Specials
9. Keep Your Staff Informed
Explanation:
Another important objective of mass communication is to create public opinion on any national or international issue. Mass media attempts to create public opinion through providing their audiences with a realistic picture of the world, activities of the leaders, governmental politics
Answer:
Communicate the task. Describe to your employees exactly what you want done, when you want it done, and the end results you expect. Be clear and unambiguous and encourage your employees to ask questions. ... Empower your employees with the level of authority required to complete the task.
