The probability of picking a pen from my bag is 3/8 if there are 16 pens and pencils in total. What is the probability of picking a pencil at random.
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Step-by-step explanation:
the amount of pens and pencils doesn't really matter because we can use the following formula.
P(E) + p(not E) = 1
P(E) means the probability of something happening. Here this is x.
p(not E) means the probability of something not happening. Here this is 3/8.
So 3/8 + x = 1
Solve the rest by urself
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