An ecologist finds 220 yellow-flowered plants and 180 white-tlowered plants. Use the normàl distribution to find the Upper boundary of a 95% confidence interval for the proportion of yellow-flowered plants. Which of the following answers is correct to 2 decimal places? [Choose a value that's closest to your answer.] Upper boundary 0.70 Upper boundary 0.60 Upper boundary = 0.80 O Upper boundary = 0.50 %3D

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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An ecologist finds 220 yellow-flowered plants and 180 white-flowered plants. Use the normal distribution to find the Upper boundary of a 95% confidence interval for the proportion of yellow-flowered plants.

Which of the following answers is correct to 2 decimal places? [Choose a value that's closest to your answer.]

- Upper boundary = 0.70
- Upper boundary = 0.60
- Upper boundary = 0.80
- Upper boundary = 0.50
Transcribed Image Text:An ecologist finds 220 yellow-flowered plants and 180 white-flowered plants. Use the normal distribution to find the Upper boundary of a 95% confidence interval for the proportion of yellow-flowered plants. Which of the following answers is correct to 2 decimal places? [Choose a value that's closest to your answer.] - Upper boundary = 0.70 - Upper boundary = 0.60 - Upper boundary = 0.80 - Upper boundary = 0.50
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