Probability Explained!

Probability Explained!

Probability Explained!

This math video tutorial explains how to solve probability word problems using marbles as examples. It provides a basic review of calculating probability for independent events. It goes over the rules of compound events focusing on key expressions such as and/or. “And” is associated with multiplication while “or” is associated with addition. This video contains plenty of examples and practice problems of calculating probability with replacement and without replacement.

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27 Responses to “Probability Explained!”

  1. The Gaming Dude says:

    This video is more helpfull than 2 weeks of math lessons

  2. Raine says:

    How many diamond be selected from a standard deck of 52 cards?

  3. Raine says:

    How many three-digit numbers can be formed from the digits 0,2,5,6 and 8 if no digit can be used more than once? a. 48 b. 96 c.120 d.500

  4. Raine says:

    How many ways can 2 boys and 3 girls sit in a row, if the first and last seats are to be occupied by girls?

  5. Raine says:

    How many outcomes can have two head and one tail if three coins are tossed?

  6. Christopher Carratala says:

    I can’t be the only one stressing about the fact that the letters lined up to spell “RUGBY” without the U…right?

  7. Amelita Loberanes says:

    My daughter's been struggling about this since yesterday and thank fully I've found this…
    Your video really helped a lot…

  8. SAHIR ROPER says:

    I like when he use examples

  9. sofi A says:

    thank you sir.

  10. Jerry Gonzalez says:

    This is great but can you please write down the last question. I don't have time but I feel like you are mixing up "and's" and "then's" or it's really difficult for me to follow that last portion.

  11. Kevin Santiago says:

    Thanks alot man! Keep up the great work.

  12. bread_bread_bread says:

    THANK YOU I UNDERSTAND THANK YOU

  13. dagmwit melkamu says:

    i wish i would be smart as you are on math buddy

  14. ed amansec says:

    Sir, the letter e quesion: Red marbles is 7. therefore 20-7= 13 not 19 therefore P(blue) = 5/13.

  15. Tetsuya desu says:

    Thank you so much T_T

  16. Ralph Diab says:

    I just dont understand why divide them can plz someone explain please.

  17. Hanafi Hamisi says:

    wow love you my teacher

  18. Daniel Okere says:

    Hi I'm still lost as to how the 20 was reduced to 19

  19. Empress Emyraldz LLC says:

    i know its just a youtube video but can i say i love you? i have struggled with this all week and you made it so easy. your voice calms me down . damn thank you

  20. John Patrick Aguilar says:

    So if the order was not specified I have to add it to double it?

  21. O A says:

    King!

  22. Peter Adrian says:

    I'm studying for the ASVAB and you've been more helpful than my book. Thank you so much.

  23. Jana Khaled says:

    do we have to answer them all plss answer i have exam

  24. mirun nue says:

    A letter is selected at random from each of the words “POOR” and “ELITE’’.
    ​Find the probability that two letters are selected are
    ​​(a) both vowels b) both consonants c) a vowel and a constant

  25. h says:

    Can you just pass maths for me

    I can pay you

  26. Ella and Renate says:

    Thanks so much God bless u

  27. Darlene Kaiwai says:

    the last one confused me, why did you divide by 4??? to get 13-100

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