There is concern that the Type 2 diabetes drug Avandia raises the risk of having a...

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There is concern that the Type 2 diabetes drug Avandia raisesthe risk of having a heart attack. The general population of peoplewith Type 2 diabetes has a 20.2% chance of heart attack within 7years. In a random sample of 4,485 people with Type 2 diabetes andwho used Avandia, 28.9% of these individuals had a heart attackwithin 7 years. If researchers want to compute the z-test for thisdata, what assumption should they check?
A) because the sample size is large enough, they dont have tocheck any assumptions
B)They Need to check both 4485 x .202 and 4485 x (1-.202) are atleast 10
Please explain

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There is concern that the Type 2 diabetes drug Avandiaraises the risk of having a heart attack The general population ofpeople with Type 2 diabetes has a 202 chance of heart attackwithin 7 years In a random sample of 4485 people with Type 2diabetes and who used Avandia 289 of these individuals See Answer

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