SOLUTION: Lani had a box that contained: 1 blue marble, 1 green marble, 1 purple marble, 1 yellow marble, and 2 red marbles. Lani removed one marble without looking, and she recorded the

Question 1160567: Lani had a box that contained: 1 blue marble, 1 green marble, 1 purple marble, 1 yellow marble, and 2 red marbles.
Lani removed one marble without looking, and she recorded the result. She placed the marble back in the box and repeated the procedure one more time. What is the probability that Lani removed a red marble followed by a blue marble?
a. 1/36
b. 1/18
c. 1/3
d. 1/2
Answer by ikleyn(53937) (Show Source): You can put this solution on YOUR website!
.


This probability is  P =  =  = .    ANSWER


The remarkable number 6 is the total number of marbles in the box, 6 = 1 + 1 + 1 + 1 + 2.

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On simple and simplest problems of Elementary Probability theory see the lessons
    - Simple and simplest probability problems
    - Solving probability problems using complementary probability
    - Elementary Probability problems related to combinations
    - A True/False test
    - A multiple choice answers test
    - Typical probability problems from the archive
    - Experimental probability problems
in this site.

Also, you have this free of charge online textbook in ALGEBRA-II in this site
    - ALGEBRA-II - YOUR ONLINE TEXTBOOK.

The referred lessons are the part of this online textbook under the topic "Solved problems on Probability".

Save the link to this textbook together with its description

Free of charge online textbook in ALGEBRA-II
https://www.algebra.com/algebra/homework/complex/ALGEBRA-II-YOUR-ONLINE-TEXTBOOK.lesson

into your archive and use when it is needed.

Consider these lessons as your textbook, handbook, a Solutions Manual, tutorials and (free of charge) home teacher.
Happy learning (!)

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