(COMPUTE AND INTERPRET CONFIDENCE INTERVAL ESTIMATES)
. According to the U.S. Census Bureau, 43% of men who worked at home were college graduates. In a sample of 500 women who worked at home, 162 were college graduates. Construct a 98% confidence interval for the proportion of women who work at home who are college graduates. Find the critical values, find E , the margin of error, then compute a nd interpret your interval estimate with a full sentence.
Critical value: (draw, label & shade)
Margin of error, E :
Con idence Interval:
(COMPUTE AND INTERPRET CONFIDENCE INTERVAL ESTIMATES) . According to the U.S. Census Bureau, 43% of men...
According to the U.S Census Bureau, 32% of men who worked at home were college graduates. In a sample of 519 women who worked at home, 165 were college graduates. (b) Construct a 99.8% confidence interval for the proportion of women who work at home who are college graduates. Round the answer to at least three decimal places.
According to the U.S. Census Bureau, 43% of men who worked at home were college graduates. In a sample of 427 women who worked at home, 153 were college graduates. what is the upper bound for the 99% confidence interval for the proportion of women who work at home who are college graduates? Round to three decimal places (for example: 0.419). Write only a number as your answer. Your Answer: Answer Question 8 (0.5 points) In the computer game World...
Working at home: According to the U.S Census Bureau, 34% of men who worked at home were college graduates. In a sample of 500 women who worked at home, 170 were college graduates. (a) Find a point estimate for the proportion of college graduates among women who work at home. Round the answer to at least three decimal places.
(COMPUTE AND INTERPRET CONFIDENCE INTERVAL ESTIMATES) A college admissions officer sampled 120 entering freshmen and found that 42 of them scored more than 550 on the math SAT. Construct a 99% confidence interval for the proportion of all entering freshmen at this college who scored more than 550 on the math SAT. Find the critical values, find E , the margin of error, then compute and interpret your interval estimate with a full sentence. Critical value: (draw, label & shade)...
(COMPUTE AND INTERPRET CONFIDENCE INTERVAL ESTIMATES) An Internet service provider sampled 540 customers and found that 75 of them experienced an interruption in high-speed service during the previous month. Construct a 90% confidence interval for the proportion of all customers who experienced an interruption. Find the critical values, find E , the margin of error, then compute and interpret your interval estimate with a full sentence. Critical value: (draw, label & shade) Margin of error, E : Confidence Interval:
Question 5 of 27 (1 point) Attempt 1 of 1 | View question in a ropur 1h 10m Remaining 8 3 Section Working at home: According to the U.S Census Bureau, 35% of men who worked at home were college graduates. In a sampl of 473 women who worked at home, 164 were college graduates. Part 2013 (b) Construct a 95% confidence interval for the proportion of women who work at home who are college graduates. Round the answer to...
The U.S. Census Bureau conducts a study to determine the time needed to complete the short form. The Bureau surveys 200 people. The sample mean is 8.2 minutes, and the sample standard deviation is 2.2 minutes. To calculate a confidence interval for this data, would you use a value from the Z distribution or the t distribution? Write a sentence to explain your choice. (4 points) Calculate the 99% confidence interval for µ, the population mean time it takes to...
According to the U.S. Census Bureau, among males over the age of 24, 13.4% did not complete high school, 31.9% completed high school, and 16.5% attended some college without graduating. (Source: U.S. Department of Commerce, Census Bureau, Current Population Survey Data on Educational Attainment.) a. Compute and interpret the probability that a randomly selected male in the United States who is over the age of 24 did not attend college.
According to the U.S. Census Bureau, among males over the age of 24, 13.4% did not complete high school, 31.9% completed high school, and 16.5% attended some college without graduating. (Source: U.S. Department of Commerce, Census Bureau, Current Population Survey Data on Educational Attainment.) a. Compute and interpret the probability that a randomly selected male in the United States who is over the age of 24 did not attend college.
in a simple random sample of 190 households, the sample mean number of personal computers was 2.78. assume the population standard deviation is 0.41. a) a 99.8% confidence interval for the mean number of personal computers is ----< mean <----- 2) a simple random sample of eight college freshman were asked about how many hours of sleep they typically got per night. the results were 7.5, 8, 6.5, 24, 8.5, 6.5, 7, 7.5 a) the data contains an outlier that...