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A random variable X can take on the values 6, -4 and 3 with probabilities 0.45, 0.25 and 0.3 respectively. That is P(X=6) = 0.45, P(X=-4) = 0.25 and P(X=3) = 0.3. Calculate E(X) correct to 2 decimal places.
answered
Oct 13, 2024
Mathematics
high-school
6
votes
187k
views
1. Think about your own assumptions. Are they useful? Are they okay? Who do you make eye contact with? Who do you feel safe around? Do our choices reinforce damaging racial or other kinds of stereotypes?
answered
Aug 20, 2024
English
high-school
5
votes
208k
views
_________, __________, and ________ have the most total professionally active physicians in the US. a) California, Texas, New York b) Florida, Illinois, Ohio c) Arizona, Georgia, Michigan d) Nevada, Oregon,
answered
Jun 18, 2024
Medicine
college
6
votes
25.9k
views
Why do the bands appear dark on the gel? A.DNA is blue and a single strand is easy to see on the gel B.DNA is blue and a pile of blue fragments is easy to see on the geti C.Dyes have been mixed with the
answered
Mar 4, 2024
Biology
college
2
votes
62.8k
views
Suppose that In 2=p. Use properties of logarithms to write the logarithm in terms of p. ln4 ln4
answered
Feb 19, 2024
Mathematics
high-school
7
votes
135k
views
True or False woman gained the right to vote on a state by state basis.
answered
Jan 29, 2024
Social Studies
high-school
3
votes
202k
views
During this period, what did slave narratives focus on? 1) Experiences of the narrator before emancipation 2) Experiences of the narrator during slavery 3) Experiences of the narrator after emancipation
answered
Jan 20, 2024
History
high-school
5
votes
117k
views
Critically highlight the importance of School Based Assessment.
answered
Apr 23, 2023
Social Studies
high-school
13
votes
35.5k
views
Asexual reproduction provides for genetic diversity, the raw material for evolution. TRUE OR FALSE??
answered
Mar 8, 2023
Biology
college
4
votes
54.2k
views
Which sentence from the story BEST shows that dragon boat racing is an important part of Chinese culture? "We need a drummer to keep the rhythm of the paddlers' strokes...." "Her team, the Fire Breathers,
answered
Jan 12, 2023
English
college
10
votes
195k
views
Pedestrians, bicyclists, and skateboarders the rules of right of way when they use the road. A. must follow B. may ignore C. may choose to follow D. must not follow
answered
Oct 17, 2022
Law
high-school
1
vote
41.4k
views
3. Artana collects Information on 24 organisms and groups them based on the Linnaean system. Her friend argues that she should not just put the common name of the organism but should also list the organisms'
answered
Sep 18, 2022
Biology
high-school
4
votes
167k
views
El gobierno de Grecia teme que el cambio climático ________ peligroso para la salud de sus ciudadanos.
answered
Sep 6, 2022
Spanish
college
2
votes
115k
views
I HATE this mathhhhhhhhhhhhhhh
answered
Jul 14, 2022
Mathematics
middle-school
4
votes
117k
views
Using subsitution, which value of x makes this equation true?
answered
Jun 23, 2022
Mathematics
middle-school
4
votes
155k
views
✨MUSIC✨How are percussion instruments played? Hitting, striking, or scraping Blowing air into a reed Buzzing your lips on a mouthpiece Plucking or rubbing a bow on strings
answered
Jun 23, 2022
Arts
middle-school
4
votes
193k
views
What two numbers multiply to 10 and add to 9
answered
May 24, 2022
Mathematics
college
6
votes
123k
views
Solve. Justify your responses. a Given:a║b and c║d, m∠ 4=35° Find: m∠1, m∠2, and m∠3
answered
May 4, 2022
Mathematics
high-school
5
votes
28.2k
views
Which means the same as human resources? A) capital resources B) service providers C) labor resources D) unskilled workers
answered
Apr 14, 2022
Business
college
2
votes
14.7k
views
PLEASE ANSWER QUICK. According to the following passage, what is it called when you need more energy to survive? “Most people realize that the food they eat leads to the energy they use when they jog,
answered
Mar 17, 2022
Health
high-school
3
votes
227k
views
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