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chloeboo
27.02.2021 •
Mathematics
Solve for the literal equation for z: 3z-s=r
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Ответ:
i think it is. r = -s + 3z could be wrong sorry if it is
Ответ:
Probability that a battery is both made by Factory A and defective is 0.012 or 1.2%.
Step-by-step explanation:
We are given that Two factories — Factory A and Factory B — design batteries to be used in mobile phones. Factory A produces 60% of all batteries, and Factory B produces the other 40%.
2% of Factory A's batteries have defects, and 4% of Factory B's batteries have defects.
Let the Probability that factory A produces batteries = P(A) = 0.60
Probability that factory B produces batteries = P(B) = 0.40
Also, let D = event that battery is defective
Probability that batteries have defects given that it is produced by Factory A = P(D/A) = 0.02
Probability that batteries have defects given that it is produced by Factory B = P(D/B) = 0.04
Now, probability that a battery is both made by Factory A and defective = Probability that factory A produces batteries
Probability that batteries have defects given that it is produced by Factory A
= P(A)
P(D/A)
= 0.60
0.02 = 0.012 or 1.2%
Therefore, the probability that a battery is both made by Factory A and defective is 1.2%.