Question

In: Statistics and Probability

In 2010, the United Nations claimed that there was a higher rate of illiteracy in men...

In 2010, the United Nations claimed that there was a higher rate of illiteracy in men than in women from the country of Qatar. A humanitarian organization went to Qatar to conduct a random sample. The results revealed that 45 out of 234 men and 42 out of 251 women were classified as illiterate on the same measurement test. Do these results indicate that the United Nations' findings were correct?

1. Test an appropriate hypothesis and state your conclusion.

2. Find a 95% confidence interval for the difference in the proportions of illiteracy in men and women from Qatar. Interpret your interval.

Solutions

Expert Solution

( 1 )

Population 1 = men

Population 2 = women

Conclusion

It is concluded that the null hypothesis Ho is not rejected. Therefore, there is not enough evidence to claim that there was a higher rate of illiteracy in men than in women from the country of Qatar. at the 0.05 significance level.

( 2 )

95% confidence interval for the difference between the population proportions −0.043 < p1​−p2 < 0.093,

orchestra answered 1 year ago
Next > < Previous

Related Solutions

In 2010, the United Nations claimed that there was a higher rate of college graduates in...
In 2010, the United Nations claimed that there was a higher rate of college graduates in men than in women from the country of A. A fact finding organization went to country A to conduct a random sample from a population of 10 million people The results revealed that 60 percent of 2500 men and 54 percent of 2510 women had college degrees. Do these results indicate that the United Nations findings were correct? (Assume significance level α=0.01) Be sure...
why is Female illiteracy rates in sub-Saharan Africa are significantly higher than those for men.
why is Female illiteracy rates in sub-Saharan Africa are significantly higher than those for men.
Mexico tends to have much higher inflation rate than the United States and also much higher...
Mexico tends to have much higher inflation rate than the United States and also much higher interest rate than the United States. Inflation and interest rates are much more volatile in Mexico than in industrialized countries. The value of the Mexican peso is typically more volatile than the currencies of industrialized countries from a US perspective; it has typically depreciated from one year to the next, but the degree of depreciation has varied substantially. The bid/ask spread tends to be...
What is the sanctions process in the United States, the United Nations, in the European Union?
What is the sanctions process in the United States, the United Nations, in the European Union?
What is the role of the United Nations in world politics?
What is the role of the United Nations in world politics?
It is claimed that an equal number of men and women patronize a retail outlet specializing...
It is claimed that an equal number of men and women patronize a retail outlet specializing in the sale of jeans. A random sample of 40 customers is observed, with 25 being men and 15 being women. Test the null hypothesis that the overall number of men and women customers is equal by applying the chi square goodness of fit test using the 5 percent level of significance. Give your statistical decision and business decision for the above problem.
It is claimed that an equal number of men and women patronize a retail outlet specializing...
It is claimed that an equal number of men and women patronize a retail outlet specializing in the sale of jeans. A random sample of 40 customers is observed, with 25 being men and 15 being women. Test the null hypothesis that the overall number of men and women customers is equal by applying the chi square goodness of fit test using the 5 percent level of significance. Give your statistical decision and business decision for the above problem.
"Economic Sanctions" 1. What is the sanctions process in the United States, the United Nations, in...
"Economic Sanctions" 1. What is the sanctions process in the United States, the United Nations, in the European Union? 2. Do sanctions work? Why? Why not?
1. A closer look - Food insecurity in the United States According to the United Nations...
1. A closer look - Food insecurity in the United States According to the United Nations Food and Agriculture Organization, approximately 795 million people are chronically undernourished worldwide. Undernutrition means that a person consumes insufficient energy to meet his or her metabolic needs. Many food security organizations set this minimum at 2,000 kcal/day for a person to be well nourished. Examine the figure depicting the food security status of U.S. households and then answer the question that follows.    1....
The United States is one of the nations in the world with the highest number of...
The United States is one of the nations in the world with the highest number of Economists. They are even some Economic Nobel laureates in the country. Why do you think the country goes through recessions from time to time when we have many Economists? Why did they not prevent the recession of 2007 – 2012 in the first place? Make sure to include some references at the end of the answer. Thank you.
ADVERTISEMENT
Subjects
ADVERTISEMENT
Latest Questions
ADVERTISEMENT