A USA Today poll asked a random sample of 1012 U.S. adults what they do with the milk in the bowl after they have eaten the cereal. Let p be the proportion of people in the sample who drink the cereal milk. A spokesman for the dairy industry claims that 70% of all U.S. adults drink the cereal milk. Suppose this claim is true. Of the poll respondents, 67% said that they drink the cereal milk. The probability of 67% or less from a random sample of 1012 is 0.0186 using the spokesman's claim. Does this poll give convincing evidence against the spokesman's claim? Explain. O Because 67% is less than 70% this poll does not give convincing evidence against the spokesman's claim. O Because 0.0186 is a small probability, there is not convincing evidence against the claim that p = 0.70. It is plausible to get a sample proportion this small by chance alone. O Because 67% is less than 70% this poll does give convincing evidence against the spokeeman's claim. O Because 0.67 is a large probability, there is not convincing evidence against the cleim that p = 0.70. It is plausible to get a sample proportion this small by chance alone. O Because O.0186 is a small probability, there is convincing evidence againat the claim that p = 0.70. It isn't plausible to get a sample proportion this small by chance alone.
A USA Today poll asked a random sample of 1012 U.S. adults what they do with the milk in the bowl after they have eaten the cereal. Let p be the proportion of people in the sample who drink the cereal milk. A spokesman for the dairy industry claims that 70% of all U.S. adults drink the cereal milk. Suppose this claim is true. Of the poll respondents, 67% said that they drink the cereal milk. The probability of 67% or less from a random sample of 1012 is 0.0186 using the spokesman's claim. Does this poll give convincing evidence against the spokesman's claim? Explain. O Because 67% is less than 70% this poll does not give convincing evidence against the spokesman's claim. O Because 0.0186 is a small probability, there is not convincing evidence against the claim that p = 0.70. It is plausible to get a sample proportion this small by chance alone. O Because 67% is less than 70% this poll does give convincing evidence against the spokeeman's claim. O Because 0.67 is a large probability, there is not convincing evidence against the cleim that p = 0.70. It is plausible to get a sample proportion this small by chance alone. O Because O.0186 is a small probability, there is convincing evidence againat the claim that p = 0.70. It isn't plausible to get a sample proportion this small by chance alone.
MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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A USA Today poll asked a random sample of 1012 U.S. adults what they do with the milk in the bowl after they have
eaten the cereal. Let p be the proportion of people in the sample who drink the cereal milk. A spokesman for the dairy
industry claims that 70% of all U.S. adults drink the cereal milk. Suppose this claim is true. Of the poll respondents, 67%
said that they drink the cereal milk. The probability of 67% or less from a random sample of 1012 is 0.0186 using the
A
Angus Ash
spokesman's claim.
Does this poll give convincing evidence against the spokesman's claim? Explain.
O Because 67% is less than 70% this poll does not give convincing evidence against the spokesman's claim.
O Because 0.0186 is a small probability, there is not conviıncing evidence against the claim that p= 0.70. It is plausible
to get a sample proportion this small by chance alone.
O Because 67% is less than 70% this poll does give convincing evidence against the spokeeman's claim.
O Because 0,67 is a large probability, there is not convincing evidence against the claim that p = 0.70. It is plausible to
get a sample proportion this small by chance alone.
O Because 0.0186 is a small probability, there is convincing evidence against the claim that p = 0.70. It jen't plausible
to get a sample proportion this small by chance alone,
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