According to a study on the effects of smoking by pregnant women on rates of asthma in their children, for expectant mothers who smoke 20 cigarettes per day, 22.2% of their children developed asthma by the age of two in the US. A biology professor at a university would like to test if the percentage is less in another country. She randomly selects 320 women who only deliver one child and smoke 20 cigarettes per day during pregnancy in that country and finds that 79 of the children developed asthma by the age of two. In this hypothesis test, 0.05; Do the hypothesis test. Use a level of significance of a = Use the unrounded values in Excel to find the answers for #3 and #4. 1. This is an example of a -- hypothesis test. 2. Find the standard error. 3. Find the z value. 4. Find the p-value. -- 5. The biology professor should he null hypothesis. V
According to a study on the effects of smoking by pregnant women on rates of asthma in their children, for expectant mothers who smoke 20 cigarettes per day, 22.2% of their children developed asthma by the age of two in the US. A biology professor at a university would like to test if the percentage is less in another country. She randomly selects 320 women who only deliver one child and smoke 20 cigarettes per day during pregnancy in that country and finds that 79 of the children developed asthma by the age of two. In this hypothesis test, 0.05; Do the hypothesis test. Use a level of significance of a = Use the unrounded values in Excel to find the answers for #3 and #4. 1. This is an example of a -- hypothesis test. 2. Find the standard error. 3. Find the z value. 4. Find the p-value. -- 5. The biology professor should he null hypothesis. V
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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Transcribed Image Text:According to a study on the effects of smoking by pregnant women on rates of asthma in their
children, for expectant mothers who smoke 20 cigarettes per day, 22.2% of their children
developed asthma by the age of two in the US. A biology professor at a university would like to
test if the percentage is less in another country. She randomly selects 320 women who only
deliver one child and smoke 20 cigarettes per day during pregnancy in that country and finds
that 79 of the children developed asthma by the age of two. In this hypothesis test,
Do the hypothesis test. Use a level of significance of a = 0.05;
Use the unrounded values in Excel to find the answers for #3 and #4.
hypothesis test.
1. This is an example of a
2. Find the standard error.
3. Find the z value.
4. Find the p-value.
5. The biology professor should he null hypothesis. --
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