« previous next »

Author Question: Fifty-five percent of the applications received for a particular credit card are accepted. Among the ... (Read 135 times)

Melani1276

  • Hero Member
  • *****
  • Posts: 516
on: Jun 24, 2018
Fifty-five percent of the applications received for a particular credit card are accepted. Among the next twelve applications,
 a. what is the probability that all will be rejected?
  b. what is the probability that all will be accepted?
  c. what is the probability that exactly 4 will be accepted?
  d. what is the probability that fewer than 3 will be accepted?
  e. Determine the expected number and the variance of the accepted applications.

Question 2

We are interested in testing to see if the variance of a population is less than 7 . The correct null hypothesis is
 a.  < 7.
  b. 2  7.
  c.  < 49.
  d. 2  49.


alvinum

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Jun 24, 2018
Answer to Question 1

a. 0.0001
b. 0.0008
c. 0.0762
d. 0.0079
e. 6.60; 2.9700

Answer to Question 2

b


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

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.

Adrian Piper, My Calling (Card) #1 (for Dinners and Cocktail Parties). Adrian Piper, My Calling (Card) #1 (for Dinners and Cocktail Parties).
Adrian Piper, My Calling (Card) #2 (for Bars and Discos). Adrian Piper, My Calling (Card) #2 (for Bars and Discos).
Allow tissues to rest after myofascial applications. Allow tissues to rest after myofascial applications.
How to solve any percent change problem How to solve any percent change problem
Ancient applications of genetics Ancient applications of genetics
Rita borrows $4,500 from the bank at 9 percent annually compounded interest to be repaid in ... Rita borrows $4,500 from the bank at 9 percent annually compounded interest to be repaid in ...
Video: Hormonal regulation of pregnancy - weeks 17 through 38

For a complete list of videos, visit our video library