Mathematical Expectation, Variance Of Continuous & Discrete Random Variable
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- Опубліковано 10 лип 2024
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This video lecture of Mathematical Expectation, Variance Of Continuous & Discrete Random Variable | Problems & Concepts by GP Sir will help Engineering and Basic Science students to understand following topic of Mathematics:
1. Topics Going to covered in Statistics & Probability Course
2. What is Mathematical Expectation of Continuous & Discrete Random Variable ?
3. How to find the Variance of Continuous & Discrete Random Variable ?
4. Example Based on Mathematical Expectation, Variance Of Continuous & Discrete Random Variable
#Expectation #Variance #StandardDeviation
#EngineeringMahemaics #BSCMaths #GATE #IITJAM #CSIRNET
This Concept is very important in Engineering & Basic Science Students. This video is very useful for B.Sc./B.Tech students also preparing NET, GATE and IIT-JAM Aspirants.
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Time Stamp
0:00 - An introduction
1:10 - Mathematical Expectation
2:05 - Mean
2:38 - Variance
4:20 - Q1.
6:20 - Q2.
8:19 - Q3.
11:38 - Conclusion of video
12:28 - Detailed about old videos
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Itna fast kyu padhate ho aap ki mistake ho jata hai
@@MayankKumar-bn4by isse slow chahiye toh kindergarden jaa
It might help if someone got confused about about of Gamma :- For +ve number
Gamma(x) = (x-1)! , where !=Factorial
thx
thank u @SANJEEB
Thanks
thank you bro.
youre op bro
Sir I think there's a mistake in the calculation of E(x^2) at 11:10 . The value you got is 1 but it is coming 0.5
Yes 0.5 is correct
@@rampurahussain36 So varience become 0.25 .
a to the power 3 hona chiye na niche
@@NormieCyrox ha bro power 3 aani chaiye na??
@@NormieCyrox Yes it will be 4/8 , then 1/2 i.e 0.5 is the value of E[X^2]
A very short and compact vdo which is enough for clearing concept. Perfect.
Sir you teach very very very good... Keep it up... Sir 500k soon sir... We all students will help you to motivate to make more videos
Thank You so much, sir... It cleared all of my doubts.
Very helpful, thank you!
Sir we engineering students are in need for the hypothesis topic of statistic because there is not a good content on youtube of that topic, so can you post your videos on that topic also. Thank you
Thank you so much sir this will this video is very helpful my doubt gets cleared from you thank you so much for giving quality education
sir i have a doubt in the question where 13 cards are drawn from the pack. here we have only calculated expected card value not the expected total score in 13 cards. please clarify. thanks
sir has done it wrong the question should be that a single card is drawn not 13 cards drawn simultaneously
yeah, that's what I was thinking. If thirteen cards are drawn simultaneously, the problem will become very complicated.
exactly same doubt, the question which sir has written is much more complicated, we would have to take score range from 28 to 130
Thank you so much sir 🙏🏻 Great explanation of concept 💯
great content! thank you so much!!
Thanks sir for such helpful vedios
after watching your vedios sir
Now I'm sure exams are going to be great
Sir u are life saver during xam time
Amazing video Sir
Thanks
Kal mera paper hai....... Har video ke sath sir ko dua de rha hu.... Kya gajab padha hai yeh insaan 🔥🔥🔥🔥
kesa gya bhai paper
Thank you so much sir for this amazing playlist ..agar yee playlist na hota tu pass karna muskil tha sir . Thank You again sir
You are great sir😊 outstanding explanation ♥️ crystal clear,🙏 thanks a lot♥️
7:24 se dekho, Express train kise kehte hai
Board pe sabse fast likhne wale, Only Gajendra sir, hands down sir, your lectures save me from college studies. Keep it up!
A mistake at 11:30 sir....2 raise to the power 3 hona chahiye
Hello SAKSHI SINGH
Thanks for Subscribing!,
Please Avoid Mistakes, I am Very Happy that you Find Mistakes, it shows that you are watching my videos seriously. these are my old videos so there is some silly mistakes. Now from last 50 videos there is no mistakes.
Once again Thanks n keep Watching videos and share it with your friends
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yup!!
thnku sir ur method of teaching is best for me
Sir you are inspiration for me😊😊
👍👍Thank u so much sir...
Please someone confirm to me, in the q2 part, sir had gotten the probability for single card drawn event and then calculated the expectation. But in the question it was for 13 cards drawn event, without replacement(implied in question). So I think the answer should be different for that one, right?
Thank you sir ❤️
Thank you sir apki video mere liye bhut helpfull rhi
Sir plz statics aur dynamics par bhi lectures upload kriye ... Bhut difficulty hoti hai usko smjhne me
Thankyou so much 😊 dear sir....
Sir thank you mujhe concept achhi tarah se samaj aya
Thanks a lot sir ! 🙏🙏🙏
Superb explanation!!
Analytical geometry in 3D ki video den
Direction ratio,or cosines k bht urgent he
huge respect
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Kaha bhai
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Dil se apka thks mere best maths sir ❤️🇮🇳
thank you so much sir . You help us a lot by explaining the concepts so clearly
Sir when is moments releasing,will it come soon
Today is my exam and I have only watched Your videos. let's see ....!
Best Of Luck
Isme jo sir nhe last question k answer nikale h wo sahi h kya.. Kyuki formula k according toh 1 and 3/2 aana chahiye..
Plz help me to solve my doubt bro
Same watching it before exam.
@@ilabargoti5488 gaama 3 by 4 hona cahiye answer means answer is 1/2
@@EBKCS_ABHISHEK_RAJGARIA aagya tha samjh baad m
Thank you so much sir ji 🙏.
Thank you very much sir
Hello Sir,
I just want to ask in CRV , can variance be zero?
Thankyou so much sir pls make video on discrete distribution as soon as you can because i have a test after 5-6 days. It will mean a lot to me
Thank you sir aapke sabhi videos bohat hi amazing hain ....sir i have one request please make a video for BASIC STATICS...
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@@gajendrapurohit no sir i m not preparing CSIR .... actually we have a subject probability and statistics so...
Thank you sir❤
Thanks sir 🙏🙏
Sir please make a video on Kuhn tucker condition.
Sir please explain donot just run behind solving for solution
Sir can you share the link of the gamma and alpha function video
sir just one doubt what if the function f is bivariate
will we take the other variable as it is (constant)
kindly ans sir
Sir. Thanks for the session. It's my kind request to you to make use of analogies and proofs. That alone helps anyone to understand a problem.
Analogies helps students to get closer to the truth and feel. "Strike rate of a batsman" is a good analogy for "expectancy". If we made a stat from Mr. Sachin Tendulkar's career,
1 runs 48% of the delivaries
2 runs 12% of the delivaries
3 ..... ...... .....
.
.
.
6 runs. 2% of all delivaries, and
If the question was to find the expected run from Mr. Sachin this delivary, it makes sense as to why we use the formula that way as shown in the lecture. The E(x) gives 1.5 which means the strike rate is 150 as it is calculated for 100 balls if the batsman continues with same form!! Thank you
Sir I commented many times, there are diploma students also studying Btech so we face difficulty to understand maths, so plzz teach slow and with basic
Excellent Sir
Thank you so much sir. ❤you are Superior. 👌👌👌😊😊😊
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Sir plz Shooting Method par video bnaiye exam 30th ko he very urgent sir
Thanks sir ji....
E{X^2(t1)*X^2(t2)} = E{X^2(t1)} * E{X^2(t2)} + 2*(E{X(t1)}E{X(t2)})^2
I found this expression in a problem. Can you please elaborate the above expression....
Sir you are great
Big thanks sir by me 🙏🙏🙏🙏🙏🙏
Thank you
Awesome Sir
sir plz make vidoes about statistical inference
please try to explain the importance and some theoretical importance
Nice explanation sir
thank you so much sir🥰
ThankYou
Thanku so much sir
Helpful ❤
How how to find median and mode for continuous random variable
Sir, after changing (correcting) the value of E(X) , why did you remove the square from the formula, shouldn't it be (1/2)^2- (1/2)^2...in the variance part??
thankyou sir for your videos
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Thanksir
Hi, everywhere i have seen these expectation videos , some or the other illogical example is given , like q3 wasnt an good example of what looks like a Expectation value at all , here x in xpx[x] usually is a weighted value , that is why we have long term moving average , but assigning arbitary value of the card itself as its weight is not a good expectation experiment at all , becuase we expect something when there are weights for the said thing, not just empty value to it
Sir if I want to find E(6x+3x^2) when f(x) = 2(1-x) then what will i do? Please reply me sir
thank you sir
mean = 1/n (n1 + n2 +n3 + .........)
I think, a mistake at 05:08 sir..
Am I right or wrong sir ??
expectation value means E(x) and mean value also be E(x) or not??
THank you sir
Are sir vo continuous wale m |2 ka kya matlab h, vo integration ke solution m jo nikala tha
Bayesion inference of discrete random variable. Is it same??
tq so much sir
Nice explanation
Q3 ans : (root 3 -2)/4 , by taking n=2 in E(X) and n=3 in E(x^2) .
Very nice sir 🙏 🙏 🙏 🙏
थैंक्स सर ❤️❤️🙏🙏🙏
THANKU SIR
Sir numerical analysis padha tho for competitive exam
Thnqq !! Sir
Sir I'm btech 2nd yr.
This videos helpfull to me
Sir kurtosis ka concept introduce nhi kiya aapne?
Thanku ❤
Apka 10th wala video mere liye kafi useful tha
Thanks sir!
Thanks
You from
Thanks for such a valuable content sir 😊... At 9:27 : Pls confirm that (integral of x^n.e^(-ax) from 0 to infinity ) = (gamma n+1 / a^(n+1)) hota h ya n+1 ki jagah n hota h... Cross check se n +1 shi aa rha h sir
Ok sir... Cleared in next few secondd 👍
Hello Suresh Kumar
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Great sir 👌 thanku so much but sir board seems very bular some digit can't saw clearly
Sir i follow your videos please upload videos on Distributions ( Mathematical). I have seen videos of an indian but could not gt it. Please upload if it is possible thanks
Sir your explanations and teaching way is splendour but I would like to request for a very small thing that is can you please make your handwritting easy to decipher. thankyou
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Is gama and factorial the same?
Sir pls explain the concept first & them solve questions
Aapki ab shadi ho gayi aap engineering ban Gaye Bhai 🎉
how to find the gama value?
app nhi hota to hum fail ho jate thanks you sir
Best hai aap sir