UH MyUH Services | All Campuses X Laulima : Home : Overview x Laulima : Home : Membership X My Home X My Home X "* Midterm 3 Fall 2021 - ECON 32 x G midterm 3 uh manoa econ 321 x C DOV webassign.net/web/Student/Assignment-Responses/last?dep=28075575 # Your last submission is used for your score. DETAILS MY NOTES A city is investigating the chances of getting public support for a new bill. In a survey of 2000 families, 800 families were in favor of the new bill. Round to 2 decimal places. a. What is the point estimate for the population proportion in favor of the bill? b. Write a 99% confidence interval for the population proportion.( c. Write a 90% confidence interval for the population proportion. ( Optional: For partial credit, show your work by typing in the calculations used to obtain the numbers above. 2. DETAILS MY NOTES For which of the following binomial experiments can you use the normal approximation to the binomial distribution? Select all that apply. O p=0.8, n=20 O p=0.3, n=20 ONone O p=0.5, n=60 3 DETAILS MY NOTES Which of the following has a normal (or approximately normal) distribution? Select all that apply. O The sample mean of a normally distributed variable The number of successes in a binomial experiment with 100 trials and a 50% chance of success in each trial. The sample mean of a non-normally distributed variable with a sample size of 1,000 O None of the other options