maths S2 help urgent Watch

IGCSEsurvivor
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#1
4 years before a supermarket was opened there have been 10 accidents.
In 12 months after the supermarket was opened there has been 6 accidents.
the manager claims that there has been no change in the number of accidents.
test his claim at 5% level of significant and comment on his claim
Last edited by IGCSEsurvivor; 4 days ago
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Tolgarda
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Is there a reason I'm tagged when my knowledge of GCSE maths is fairly shaky? What?

I'll tag people that actually study A Level mathematics lol.

Sinnoh
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Jaguar1200
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I'm sorry I can't help with S2. I sat C12, C34, F1 and F2
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