Mathematics · Probability Distributions
It is found that 2% of the tools produced by a machine are defective. Using the normal approximation to the binomial distribution, what is the probability that in a shipment of 400 such tools, 3% or more will be defective? (Given that the area under the standard normal curve from z = 0 to z = 1.43 is 0.4236)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.1430
- 20.4236
- 30.5000
- 40.0764✓
Correct answer
0.0764
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