FAN AND MEDAL
The table shows the number of glass bottles of different colors in a shelf. A fair coin is shown below the table.
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OpenStudy (anonymous):
Color of
Glass Bottle Number
Red
9
Blue
1
Green
6
Purple
4
OpenStudy (anonymous):
OpenStudy (anonymous):
Danny selects a glass bottle from the shelf randomly without looking and then tosses the fair coin. What is the probability that he will select a purple glass bottle and that the coin will land heads up?
1 over 10
1 over 8
1 over 6
1 over 5
OpenStudy (anonymous):
@justuu @tylermcmullen23 @jordanjamesbay
OpenStudy (welshfella):
there are 20 bottles and 4 are purple
so what is the probability he picks a purple bottle?
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OpenStudy (anonymous):
4/20
OpenStudy (anonymous):
i may be wrong, but believe you multiply the possibility of the purple bottle by the probability of up
OpenStudy (welshfella):
right or simplifying that its 1/5
now the probabolity of getting a head on the toss is 1/2
OpenStudy (welshfella):
these 2 events are independent so the 2 probabilities are multiplied
OpenStudy (anonymous):
so.. @kiamousekia what is your answer
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