A random sample of 858 births in a state included 426 boys. Construct a 95% confidence interval estimate of the proportion of boys in all births. It is believed that among all births, the proportion of boys is 0.511. Do these sample results provide strong evidence against that belief?
A random sample of 858 births in a state included 426 boys. Construct a 95% confidence interval estimate of the proportion of boys in all births. It is believed that among all births, the proportion of boys is 0.511. Do these sample results provide strong evidence against that belief?
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.2: Expected Value And Variance Of Continuous Random Variables
Problem 10E
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Question
A random sample of
858
births in a state included
426
boys. Construct a
95%
confidence interval estimate of the proportion of boys in all births. It is believed that among all births, the proportion of boys is
0.511.
Do these sample results provide strong evidence against that belief?
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