This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Which of the following statements about a discrete random variable and its probability distribution are true? (Read 86 times)

dongbo

  • Full Member
  • ***
  • Posts: 137
on: Mar 25, 2023

Question 1

Which of the following is not a required condition for a discrete probability function?


◦

f(x) 0 for all values of x


◦

∑f(x) = 1 for all values of x


◦

∑f(x) = 0 for all values of x


◦

∑f(x) 1 for all values of x



Question 2

Which of the following statements about a discrete random variable and its probability distribution are true?


◦

Values of the random variable can never be negative.


◦

Some negative values of f(x) are allowed as long as ∑f(x) = 1.


◦

Values of f(x) must be greater than or equal to zero.


◦

The values of f(x) increase to a maximum point and then decrease.

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by dongbo on Mar 25, 2023

MistyHubbard

  • Full Member
  • ***
  • Posts: 174
Reply #1 on: Mar 25, 2023
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 39% of students answer this correctly


dongbo

  • Member
  • Posts: 137
Reply 2 on: Mar 25, 2023
Wow, this really help

rachel

  • Member
  • Posts: 323
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Distribution and Forms of Precipitation: Snow Distribution and Forms of Precipitation: Snow
Geographic distribution of hepatitis A prevalence (anti-HAV-antibody), 2005. Geographic distribution of hepatitis A prevalence (anti-HAV-antibody), 2005.
Movement of a drug through the body (pharmacokinetics): absorption, distribution, metabolism, and ... Movement of a drug through the body (pharmacokinetics): absorption, distribution, metabolism, and ...
Population Distribution Population Distribution
The distribution of high-energy, nutritious biscuits was a lifeline in the first days after the 2010 The distribution of high-energy, nutritious biscuits was a lifeline in the first days after the 2010
Vascular Distribution and Control of Circulation Vascular Distribution and Control of Circulation
Video: Eczema

For a complete list of videos, visit our video library