anonymous
  • anonymous
a coin is loaded so that the probability of getting a heads is 3/4 if the coin is flipped twice what is probability of getting head twice
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
\(\frac{3}{4}\times \frac{3}{4}\)
anonymous
  • anonymous
cross multiply?
anonymous
  • anonymous
there is no such thing as "cross multiply" no matter what those math teachers told you it does not exist multiply means multiply for fractions that means straight across

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anonymous
  • anonymous
\[\frac{a}{b}\times \frac{c}{d}=\frac{a\times c}{b\times d}\] \[\frac{3}{4}\times \frac{3}{4}=\frac{3\times 3}{4\times 4}\]
anonymous
  • anonymous
\[3/4*3/4=(3*3)/(4*4)=9/16\]
anonymous
  • anonymous
yes 9/16
anonymous
  • anonymous
that is it, yes
anonymous
  • anonymous
i need to simplify that right
anonymous
  • anonymous
i am going to sneak out one day and smack every math teacher that ever said "cross multiply" "cross cancel" and "simplify" there is no such thing you can in some cases "reduce to lowest terms" but not in this case because there are no common factors of \(9\) and \(16\)
anonymous
  • anonymous
that is not a answer choice
anonymous
  • anonymous
It is, however, the correct answer. Is 0.5625 an answer choice?
anonymous
  • anonymous
that's too bad what are the choices?
anonymous
  • anonymous
wait yes it is! sorry thanks!!
anonymous
  • anonymous
Good luck! :)

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