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Suppose on average 3% of syringes manufactured by a certain company are defective. How many syringes should be purchased in order to end up with 7500 non-defective ones

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TaeKwonDoIsDead

Answer:

7732 syringes (around)

Step-by-step explanation:

3% are defective

So,

97% are non-defective

This question is basically asking, "which number's 97% would be 7500?"

7500 non defective means that 97% of purchased should be 7500. Let's assume number purchased be x, so we can write and equation in x and solve:

x * 0.97 = 7500

x = 7500 / 0.97

x = 7732

Thus, if we purchase 7732 syringes, we will expect to find around 7500 non defective ones.

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