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Naddika [18.5K]
3 years ago
13

A factory robot recently examined some bulbs, of which 4 were flawed and 26 were not. Considering this data, how many flawed bul

bs would the robot be expected to find in a batch of 15 bulbs?
Mathematics
1 answer:
ASHA 777 [7]3 years ago
4 0

Answer:

2

Step-by-step explanation:

Given that:

Flawed bulbs = 4

Not flawed = 26

Total examined = (flawed + not flawed)

Total examined = (4 + 26) = 30

P(flawed) = flawed / total

P(flawed) = 4 / 30 = 0.1333333

If 15 is examined :

Expected number of flawed bulbs :

(4/30) * 15 = 2

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