Answered

Find the best answers to your questions at Westonci.ca, where experts and enthusiasts provide accurate, reliable information. Get quick and reliable solutions to your questions from a community of experienced professionals on our platform. Experience the convenience of finding accurate answers to your questions from knowledgeable experts on our platform.

 A jar contains five red marbles and three green marbles. A marble is drawn at random and notreplaced. A second marble is then drawn from the jar.
1) Find the probability that the first marble is red and the second marble is green.
2) Find the probability that both marbles are red.
3) Find the probability that both marbles are the same color.

i dont understand how to find 2 & 3, can someone explain please? thank you

Sagot :

[tex]1)\\A-the\ first\ marble\ is\ red\ and\ the\ second\ marble\ is\ green\\\\P(A)=\frac{5}{8}\cdot\frac{3}{7}=\frac{15}{56}\\\\2)\\B-goth\ marbles\ are\ red\\\\P(B)=\frac{5}{8}\cdot\frac{4}{7}=\frac{5}{2}\cdot\frac{1}{7}=\frac{5}{14}\\\\3)\\C-both\ marbles\ are\ the\ same\ color\\\\P(C)=\frac{5}{8}\cdot\frac{4}{7}+\frac{3}{8}\cdot\frac{2}{7}=\frac{20}{56}+\frac{6}{56}=\frac{26}{56}=\frac{13}{28}[/tex]
View image Аноним
Thanks for stopping by. We strive to provide the best answers for all your questions. See you again soon. We appreciate your time. Please come back anytime for the latest information and answers to your questions. Westonci.ca is your trusted source for answers. Visit us again to find more information on diverse topics.