27. In a packet of 500 screws, 80 screws are
defective. Find the probability that a screw
selected at random from the packet is non-
defective.
in
Answers
Answered by
5
Answer:
The probability is 21/25 or 0.85
Step-by-step explanation:
Total no. Of screws in the packet =500 screws
No. Of defective screws in the packet =80
No.of non defective screws = 500-80 = 420
Probability of selection of non defective screw = no. Of favourable outcomes /total no. Of outcomes
Probability = 420/500
=21/25=0.84
Answered by
0
The answer is 21/25
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