anonymous
  • anonymous
Lara makes the following statement: "There is an 80% chance of rain tomorrow and a 10% chance I will go to the park." What is the chance that it will rain tomorrow and Lara will go to the park? 90% 70% 8% 6%
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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jim_thompson5910
  • jim_thompson5910
A = it rains tomorrow B = you go to the park P(A and B) = P(A) * P(B) only if the two events are independent
anonymous
  • anonymous
do you know the answer
jim_thompson5910
  • jim_thompson5910
yeah just multiply the probabilities

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More answers

anonymous
  • anonymous
whats that
jim_thompson5910
  • jim_thompson5910
the 80% and 10%
anonymous
  • anonymous
it gives me 800
anonymous
  • anonymous
hello
jim_thompson5910
  • jim_thompson5910
you should do 0.8 times 0.1
jim_thompson5910
  • jim_thompson5910
80% = 0.8 10% = 0.1
anonymous
  • anonymous
ok thanks can you help me with some more
jim_thompson5910
  • jim_thompson5910
sure, one more
anonymous
  • anonymous
The table below shows the number of marbles of different colors in a bag: Color of Marbles Number of Marbles Pink 5 Blue 2 Green 3 Ursula draws a marble from the bag randomly without looking. She then draws another marble from the bag without replacing the first one. Which expression shows the probability of drawing green marbles in both the trials?
jim_thompson5910
  • jim_thompson5910
show me what you have so far
anonymous
  • anonymous
what do you mean
anonymous
  • anonymous
i can show you the answers
jim_thompson5910
  • jim_thompson5910
I want to see how far you got
anonymous
  • anonymous
i didnt try it yet
jim_thompson5910
  • jim_thompson5910
give it a try
anonymous
  • anonymous
ill give you a metal or 2
anonymous
  • anonymous
hello
anonymous
  • anonymous
jim
jim_thompson5910
  • jim_thompson5910
what is the probability of drawing 1 green marble?
jim_thompson5910
  • jim_thompson5910
hint: look at the number of green and the number total
anonymous
  • anonymous
wat
jim_thompson5910
  • jim_thompson5910
how many green marbles are there
anonymous
  • anonymous
3
jim_thompson5910
  • jim_thompson5910
out of how many total?
anonymous
  • anonymous
10
jim_thompson5910
  • jim_thompson5910
so the probability of getting green is 3/10 that's the first draw
jim_thompson5910
  • jim_thompson5910
on the second draw, we do NOT replace the marble so we have 2 green out of 9 total the probability of getting another green on the second draw is 2/9
jim_thompson5910
  • jim_thompson5910
multiply 3/10 and 2/9 to get your answer
jim_thompson5910
  • jim_thompson5910
reduce the answer as much as possible
anonymous
  • anonymous
times or addition
jim_thompson5910
  • jim_thompson5910
multiply means times
anonymous
  • anonymous
i know i didnt read it properly

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