« previous next »

Author Question: The overall goal of portfolio models is to create a portfolio that provides the best balance between ... (Read 118 times)

jessicacav

  • Hero Member
  • *****
  • Posts: 558
on: Jun 24, 2018
The overall goal of portfolio models is to create a portfolio that provides the best balance between
 a. short-term and long-term investments.
  b. gains and losses.
  c. risk and return.
  d. liquidity and stability.

Question 2

A soft drink filling machine, when in perfect adjustment, fills bottles with 12 ounces of soft drink. A random sample of 25 bottles is selected, and the contents are measured. The sample yielded a mean content of 11.88 ounces, with a standard deviation of 0.24 ounce. With a .05 level of significance, test to see if the machine is in perfect adjustment. Assume the distribution of the population is normal.


asdfghjkl;

  • Sr. Member
  • ****
  • Posts: 323
Reply #1 on: Jun 24, 2018
Answer to Question 1

C

Answer to Question 2

H0:  = 12
Ha:   12 t = 2.5; therefore, reject H0 . There is sufficient evidence at  = .05 to conclude that the machine is NOT in perfect adjustment.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Two models for dominance of a mutation Two models for dominance of a mutation
The philosophical journey requires self-examination. Your responsibility as a critical thinker is to The philosophical journey requires self-examination. Your responsibility as a critical thinker is to
Models of Selective Attention in the Dichotic Listening Task Models of Selective Attention in the Dichotic Listening Task
Create space between metatarsals by pulling sides of foot away from each other. Create space between metatarsals by pulling sides of foot away from each other.
How to create a frequency table and histogram from raw data How to create a frequency table and histogram from raw data
Fluid Balance Fluid Balance
Video: Introduction to Tuberculosis

For a complete list of videos, visit our video library