Question 1 10 pts An economist wants to know the percentage of young adults living in California who still live with their parents. She randomly selects 1000 young adults living in California and finds that 580 of them are still living with their parents. Home prices and rents have skyrocketed in California so that could be one reason so many young adults are still living with their parents. Note: U.S. Census Bureau categorizes young adults as those 18 to 24 years old. Calculate a 98% confidence interval for the proportion of young adults in California who still live with their parents. Show your calculations. a) When calculating the 98% confidence interval, we use [Select] b) The t-score or z-score is [Select] c) The margin of error is [Select] d) The 98% confidence interval is ( [Select] e) Choose the correct Cl interpretation [Select] V [Select] f) Based on the confidence interval, can we conclude that a majority (more than 50%) of young adults live with their parents? [Select] D Question 2 3 pts A researcher wishes to estimate, with 95% confidence, the proportion of PCC students who speak another language other than English. The researcher wishes to be accurate within 3% of the true proportion. Find the minimum sample size necessary. Exclude the units when entering the answer. Question 3 Which confidence interval is wider, 95% 97% 99%? 99% 97% 95% 1 pts 13