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Eddi Din [679]
3 years ago
10

new insecticide is advertised to kill more than 95% roaches upon contact. In a laboratory test, the insecticide was applied to 4

00 roaches and 384 died immediately after contact. Is this sufficient evidence to support the advertised claim?
Biology
1 answer:
oee [108]3 years ago
4 0

Answer:

Yes! The Commercial is telling the truth that the product kills a good amount, but they are lying when they say it kills 95%. Because it kills 96%!

Explanation:

This is a great question to be asking!

With is experiment, instead of killing 95% of the roaches in the laboratory, it killed 96%. But, it is strange that the commercial did not say 96%. But, to me, maybe that because 95% looks more appealing to the broad audience, instead of a higher number?

Anyways! Hahaha, sorry for getting off topic, but all you need to do to figure this out is to set up a division equation!

Because only 384/400 died, that would be the equation. And when plugging that into a calculator you get 96%.

Fun fact! If the product had killed only 380/400 roaches, then the commercial would be telling the truth.

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