A local news outlet reported that 56% of 600 randomly sampled Kansas residents planned to set off fireworks on July 4th. Construct a 95% confidence interval and write a sentence or two interpreting your confidence interval in context

You're considering going to graduate school, and you would like to know how many people would recommend it. You talk to 30 people, and 7 recommend it. Construct a 96% confidence interval for p, the proportion of people that recommend you go to graduate school. What is the lower bound of this interval?

4) SOlve the question correctly, please.

A standardized exam's scores are normally distributed. In a recent year, the mean test score was 1482 and the standard deviation was 315. The test scores of four students selected at random are 1910, 1200, 2210, and 1390. Find the z-scores that correspond to each value and determine whether any of the values are unusual. The z-score for 1910 is (Round to two decimal places as needed.)

Of 260 employees selected randomly from one company, 18.46% of them commute by carpooling. Construct a 98% confidence interval for the true percentage of all employees of the company who carpool. Interpret the results.

36. Flights on time 2016 revisited Will your flight get you to your destination on time? The Bureau of Transportation Statis- tics reported the percentage of flights that were delayed each month from 1994 through June of 2016. Here's a histogram, along with some summary statistics: 50 n270 19.696 s 4.214 40 30 20 %23 10 10 15 20 25 30 Delayed % We can consider these data to be a representative sample of all months. There is no evidence of a time trend (r 0,07). a) Check the assumptions and conditions for inference about the mean. # of Months

Of 848 children surveyed, 144 plan to join a volunteer group in the future. Construct a 90% confidence interval for p.

Describe how a Confidence Interval might be a better piece of information to report from a study than a hypothesis test.

A Gallup poll of 1487 adults showed that 43% of the respondents have Facebook pages.  Construct a 95% confidence interval for the proportion of adults who have a Facebook page.

In a survey of 32 students at a local high school, 17 support changing the schools mascot. Find the 90% confidence interval for the true population proportion of students who support changing the schools mascot.