document.write( "Question 1117349: Hello! I have a problem that I'm a little confused on and I calculated the first part. However, I'm getting confused on the second because I am not sure what it is asking me or if I am doing this problem correctly. I will be so thankful if I could have some feedback on my work and any help is welcomed and appreciated. Thank you so much! See, I already did the problem but there is one thing that is kind of confusing me. Here's the problem:
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document.write( "A scientific experiment found that the average weight of adult male emperor penguins is 74 pounds with a margin of error of 25 pounds.
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document.write( "a) What is a confidence interval for the average weight of adult male emperor penguins?\r
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document.write( "Here is my answer:
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document.write( "I know confidence interval is (sample statistic-margin of error) and (sample statistic+margin of error)\r
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document.write( "So I did this: (74-25)=49
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document.write( " (74+25)=99\r
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document.write( "Then it asks me this: If we found a flock of male emperor penguins that had an average weight of 51 pounds would this be unusual? Why or why not?\r
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document.write( "I checked the confidence interval and it looks like it wouldn't be unusual. That's the part that is really tricking me. I'm not sure if that's correct.
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document.write( "Any help is greatly appreciated! Thank you so much! This really helps me a lot! \r
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Algebra.Com's Answer #732406 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! I have a problem that I'm a little confused on and I calculated the first part. However, I'm getting confused on the second because I am not sure what it is asking me or if I am doing this problem correctly. I will be so thankful if I could have some feedback on my work and any help is welcomed and appreciated. Thank you so much! See, I already did the problem but there is one thing that is kind of confusing me. Here's the problem: \n" ); document.write( "A scientific experiment found that the average weight of adult male emperor penguins is 74 pounds with a margin of error of 25 pounds. \n" ); document.write( "a) What is a confidence interval for the average weight of adult male emperor penguins? \n" ); document.write( "Here is my answer: \n" ); document.write( "I know confidence interval is (sample statistic-margin of error) and (sample statistic+margin of error) \n" ); document.write( "So I did this: (74-25)=49 \n" ); document.write( "(74+25)=99 \n" ); document.write( "Then it asks me this: If we found a flock of male emperor penguins that had an average weight of 51 pounds would this be unusual? Why or why not? \n" ); document.write( "I checked the confidence interval and it looks like it wouldn't be unusual. That's the part that is really tricking me. I'm not sure if that's correct. \n" ); document.write( "---- \n" ); document.write( "You have the right interval:: 49 < u < 99 with some unknown level of confidence. \n" ); document.write( "You have that level of confidence that the mean is in that interval. \n" ); document.write( "51 is there so it's not that unusual. \n" ); document.write( "--- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "--------- \n" ); document.write( " |