anonymous
  • anonymous
We have a small deck of ten cards. Five of the cards are red, three are blue and two are green. We randomly select four cards from the deck with replacement. That is, after we select a card and record the colour, we put the card back in the deck and thoroughly shuffle them before we select another card.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
make a tree diagram
anonymous
  • anonymous
how should i make a tree diagram for this probability?
nincompoop
  • nincompoop
http://bit.ly/141H2wI

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More answers

anonymous
  • anonymous
help please
anonymous
  • anonymous
What is the probability that the rst two selected cards are the same colour?
anonymous
  • anonymous
first
anonymous
  • anonymous
are ut here?
anonymous
  • anonymous
hello?
kropot72
  • kropot72
Did the full question ask you to make a tree diagram?
anonymous
  • anonymous
no
anonymous
  • anonymous
What is the probability that the rst two selected cards are the same colour?
anonymous
  • anonymous
thats the question
anonymous
  • anonymous
What is the probability that the first two selected cards are the same colour?
kropot72
  • kropot72
There are three possible events to consider: 1. P(red + red) = 5/10 * 5/10 2. P(blue + blue) = 3/10 * 3/10 3. P(green + green) = 2/10 * 2/10 These three events are mutually exclusive, therefore the probability of the first two selected cards being the same color is the sum of the above three probabilities.
kropot72
  • kropot72
@yashar806 Have you done the calculation yet?
kropot72
  • kropot72
Required probability is \[0.5^{2}+0.3^{2}+0.2^{2}=you\ ca\ calculate\]
kropot72
  • kropot72
you can*
anonymous
  • anonymous
yep

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