An ecologist finds 220 yellow-flowered plants and 180 white-flowered plants. Use the normal distribution to find the Lower 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.] O Lower boundary 0.60 O Lower boundary = 0.30 O Lower boundary = 0.50 O Lower boundary = 0.40

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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An ecologist finds 220 yellow-flowered plants and 180 white-flowered plants. Use the normal distribution to
find the Lower 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.]
O Lower boundary = 0.60
O Lower boundary = 0.30
O Lower boundary = 0.50
O Lower boundary = 0.40
Transcribed Image Text:An ecologist finds 220 yellow-flowered plants and 180 white-flowered plants. Use the normal distribution to find the Lower 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.] O Lower boundary = 0.60 O Lower boundary = 0.30 O Lower boundary = 0.50 O Lower boundary = 0.40
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