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out of 10 orange and 4 blue, what is the chance of picking an orange?
you want the fraction (number that match) divided by total number (number that match means the number that are orange)
Which would calculate to 2.5
total number in the bag is not 4 (as a check, a "probability of 1" is the most you can get)
Because the total number of oranges is 10
0.4 is the correct answer =}
there are 10 orange and 4 blue. how much is that total?
so what is the chance of picking an orange ?
yes, or 5/7 we are not done. assuming we picked an orange one first, what is now in the bag ?
9 orange and 4 blue?
yes. and what is the chance of picking a blue one now ?
yes. and the chances of picking orange, then a blue is found by multiplying the probabilities 5/7 * 4/13 they want a decimal , rounded to nearest 100th. Time for a calculator
Thank you so much! I really appreciate it! :]