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 51 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
Thanks for the timely response, appreciate it

Jsherida

  • Member
  • Posts: 314
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Your heart beats over 36 million times a year.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Adapoids and omomyoids had longer snouts and are the first “true” primates. Adapoids and omomyoids had longer snouts and are the first “true” primates.
Geographic distribution of early hominins. Geographic distribution of early hominins.
Population Distribution Population Distribution
True Dover Sole True Dover Sole
E9-23 Prepare income statements Explain the difference in operating income E9-23 Prepare income statements Explain the difference in operating income
(a) The distribution of sickle cell anemia in the Old World. (b) The distribution of malaria overlap (a) The distribution of sickle cell anemia in the Old World. (b) The distribution of malaria overlap
Video: Secondary and tertiary levels of protein structure Animation

For a complete list of videos, visit our video library