12. (6p) A nurse at a local hospital is interested in estimating the birth weight of infants. What is the minimum sample size she must select if she desires to be 95% confident that the true mean is within 2 ounces of the sample mean? The population standard deviation of the birth weights is known to be 5 ounces. Assume the population is normally distributed. Round to the whole number.
12. (6p) A nurse at a local hospital is interested in estimating the birth weight of infants. What is the minimum sample size she must select if she desires to be 95% confident that the true mean is within 2 ounces of the sample mean? The population standard deviation of the birth weights is known to be 5 ounces. Assume the population is normally distributed. Round to the whole number.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 22SGR
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I need help with this question for my probability and stat class
![12. (6p) A nurse at a local hospital is interested in estimating the birth weight of infants.
What is the minimum sample size she must select if she desires to be 95% confident that
the true mean is within 2 ounces of the sample mean? The population standard deviation
of the birth weights is known to be 5 ounces. Assume the population is normally
distributed. Round to the whole number.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb459d378-f55a-43cf-bcaa-aea1aeabaab3%2F50ddffc3-286d-43c2-a1ec-2d425f975445%2F3htvsq6_processed.jpeg&w=3840&q=75)
Transcribed Image Text:12. (6p) A nurse at a local hospital is interested in estimating the birth weight of infants.
What is the minimum sample size she must select if she desires to be 95% confident that
the true mean is within 2 ounces of the sample mean? The population standard deviation
of the birth weights is known to be 5 ounces. Assume the population is normally
distributed. Round to the whole number.
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