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galina1969 [7]
2 years ago
5

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 pr

obability that at least 8 are defective?
Needs to show all work.
Mathematics
2 answers:
babunello [35]2 years ago
8 0

Answer the chace is 50%

Step-by-step explanation:

because if you  defined it then simplify it u get 50

Tanzania [10]2 years ago
6 0

Answer my question first

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

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