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A box contains 30 radio chips of which 10 are defective. If 7 chips are picked at random out of the box randomly, what is the probability that at least 8 are defective?


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mmm4400444

Answer the chace is 50%

Step-by-step explanation:

because if you  defined it then simplify it u get 50

5hxmil

Answer my question first

if one ratio is given find all other find sin30+cos30?

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