We wish to estimate what percent of adult residents in a certain county are parents. Out of 300 adult residents sampled, 36 had kids. Based on this , construct a 99% confidence interval for the proportion p of adult residents who are parents in this county. Express your answer in tri-inequality form. Give your answers as decimals to three places.

A magazine provided results from a poll of 500 adults who were asked to identify their favorite pie Among the 500 respondents, 13% chose chocolate pie, and the margin of error was given as +4 percentage points. What values do p, q, n, E, and p represent? If the confidence level is 95%, what is the value of a? The value of p is The value of q is The value of n is The value of E is The value of p is If the confidence level is 95%, what is the value of a? (Type an integer or a decimal. Do not round.)

A new fertilizer was applied to the soil of 276 bean plants. 24% showed increased growth. Find the margin of error and 95% confidence interval for the percentage of all bean plants which show increased growth after application of the fertilizer. Round all answers to 2 decimal places. Margin of Error (as a percentage): Confidence Interval: % to

A new fertilizer was applied to the soil of 246 bean plants. 25% showed increased growth. Find the margin of error and 95% confidence interval for the percentage of all bean plants which show increased growth after application of the fertilizer. Round all answers to 2 decimal places. Margin of Error (as a percentage):Confidence Interval: % to %

just the multiple choice part thank you!

please answer in text form and in proper format answer with must explanation , calculation for each part and steps clearly

A congressperson wants to estimate the proportion of people in her district that think she is doing a good job. At least how many people should she poll in order to achieve at most a margin of .03 = 3% at confidence level .95?