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The discrete random variable B has a probability distribution function given by P(B=b)=k(4−b) for b=0,1,2,3. Find k and E(B). a. k=1/8 , E(B)= 5/2 b. k= 1/12 , E(B)= 5/2 c. k= 1/10 , E(B)= 3/2 d. k= 1/15
answered
Dec 23, 2024
Mathematics
high-school
3
votes
222k
views
Seamus sent a letter to the residents of Maywood Park, stating, "The Mormons are moving in! Sell your houses before property values plummet." This is a fair housing violation, and also ______. A license
answered
Oct 9, 2024
Social Studies
high-school
5
votes
91.1k
views
Task analysis is the process of breaking a task down into a sequence of smaller steps.? 1) Collection 2) Large number 3) Sequence
answered
Sep 24, 2024
Business
high-school
5
votes
34.9k
views
In addition to protecting a valuable lens from damage, a UV filter also does what? OB. The UV filter blocks ultraviolet light which is not visible to the human eye, but can appear as haze in landscape
answered
Jun 25, 2024
Arts
college
3
votes
209k
views
Which of the following errors would not be disclosed by preparation of a trial balance? a) An error was made in computing the balance of the Cash account. b) A journal entry included a debit to the Equipment
answered
May 21, 2024
Social Studies
high-school
5
votes
219k
views
In order to show that △ABC≅△DEF by the ASA (Angle-Side-Angle) postulate, what else would need to be congruent? A) Side BC must be congruent to Side EF. B) Angle B must be congruent to Angle E. C) Angle
answered
Jan 22, 2024
Mathematics
high-school
7
votes
109k
views
15 Drag each tile to the correct box. Arrange the stages of the newt's life cycle from first to last. larva at hatching young newt adult newt larva with legs
answered
Dec 12, 2023
Chemistry
college
4
votes
33.5k
views
47 Which aspects of a story best help the reader understand the author's purpose? Select three options. A imagery plot Orepetition Osetting tone
answered
Jul 1, 2023
English
high-school
4
votes
28.9k
views
Alissa wants to buy a video game thats $65.00 . she has saved 15% of the money needed to purchase the game . how much money does alissa have ?
answered
May 28, 2023
Mathematics
college
4
votes
14.1k
views
The radius r in feet of a spherical water tank can be determined by using the formula
answered
May 23, 2023
Mathematics
high-school
10
votes
97.7k
views
Can you help me with this problem please
answered
Feb 11, 2023
Mathematics
high-school
5
votes
223k
views
Which inequality doesn't belong? 5/4≤2 8.5≥0.95 8.5≤7 10.00≤100
answered
Jan 20, 2023
Mathematics
college
3
votes
69.8k
views
Scientists use a variety of tools to learn about the history of the earth, evolution, environmental change, and its effects. Which type of evidence is most affected by human error (and thus less reliable)?
answered
Nov 20, 2022
Biology
college
1
vote
99.6k
views
PLEASE HELP BAINLY PLUS MY TEACH SAID U DONT NEED THE VID
answered
Sep 7, 2022
Spanish
high-school
11
votes
115k
views
2,640 milliliters (mL) = ____ liters (L)? No links please :)
answered
Sep 4, 2022
Mathematics
middle-school
6
votes
49.8k
views
1/5, 0.25, 20.5%, 4/25, 0.22
answered
May 26, 2022
Mathematics
high-school
4
votes
220k
views
What do prokaryote cells and eukaryote cells have in common
answered
Mar 28, 2022
Biology
college
0
votes
88.8k
views
Which could be the dimensions of a rectangle with an area of 60 square units? 1 by 60 units 4 by 15 units 8 by 8 units 10 by 6 units 60 by 2 units
answered
Mar 27, 2022
Mathematics
high-school
3
votes
49.3k
views
Which could be the dimensions of a rectangle with an area of 60 square units? 1 by 60 units 4 by 15 units 8 by 8 units 10 by 6 units 60 by 2 units
answered
Mar 27, 2022
Mathematics
high-school
3
votes
49.3k
views
Which could be the dimensions of a rectangle with an area of 60 square units? 1 by 60 units 4 by 15 units 8 by 8 units 10 by 6 units 60 by 2 units
answered
Mar 27, 2022
Mathematics
high-school
3
votes
49.3k
views
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