A sample of 503 school teachers, who are married, showed that 210 of them hold a second job to supplement their incomes. Another sample of 383 school teachers, who are single, showed that 141 of them...


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A sample of 503 school teachers, who are married, showed that 210 of them hold a second job to supplement their incomes.<br>Another sample of 383 school teachers, who are single, showed that 141 of them hold a second job to supplement their incomes.<br>The null hypothesis is that the proportions of married and single school teachers who hold a second job to supplement their<br>incomes are not different. The alternative hypothesis is that the proportions of married and single school teachers who hold a<br>second job to supplement their incomes are different. The significance level is 5%.<br>What is the 95% confidence interval for the difference between the proportions of married and single school teachers who hold a<br>second job to supplement their income, rounded to four decimal places?<br>to i<br>

Extracted text: A sample of 503 school teachers, who are married, showed that 210 of them hold a second job to supplement their incomes. Another sample of 383 school teachers, who are single, showed that 141 of them hold a second job to supplement their incomes. The null hypothesis is that the proportions of married and single school teachers who hold a second job to supplement their incomes are not different. The alternative hypothesis is that the proportions of married and single school teachers who hold a second job to supplement their incomes are different. The significance level is 5%. What is the 95% confidence interval for the difference between the proportions of married and single school teachers who hold a second job to supplement their income, rounded to four decimal places? to i

Jun 01, 2022
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