The first marble you choose is black. You did not put it back in the jar. You choose another marble without looking. What is the probability that the second marble you choose will be black?
in Algebra 2 Answers by Level 2 User (1.0k points)

Your answer

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:
To avoid this verification in future, please log in or register.

1 Answer

I read your previous comments about the question and the answer is 1/2 there were no replacements..... 1) P( black marble )= 3/5 (first marble) 2) P( black marble )= (3-1)/ (5-1)=2/4=1/2 (second marble) Get it?
by Level 3 User (4.4k points)

Related questions

3 answers
asked Sep 28, 2012 in Algebra 2 Answers by diamondeb Level 1 User (560 points) | 780 views
1 answer
1 answer
1 answer
asked Nov 11, 2011 in Statistics Answers by anonymous | 1.7k views
2 answers
asked Nov 8, 2011 in Statistics Answers by anonymous | 2.2k views
Welcome to MathHomeworkAnswers.org, where students, teachers and math enthusiasts can ask and answer any math question. Get help and answers to any math problem including algebra, trigonometry, geometry, calculus, trigonometry, fractions, solving expression, simplifying expressions and more. Get answers to math questions. Help is always 100% free!
87,550 questions
99,628 answers
2,417 comments
439,911 users