002505 10 course_10=_ 164093 1 WP WileyPLUS B Homepage - TEAS... 07 7 / 14 - 110% +|HO Chapter 21 21. A random sample of 900 adult Ohio residents are asked if they attended religious services in the past week. It turned out that 300 of the sampled people had done so. a) Name the parameter you which to estimate with this information. b) What is the estimate you will use? Is this a parameter or a statistic? c) Find a 95% confidence interval for the population proportion p of all adult Ohioans that attended a place of worship in the past week. d) Write a sentence interpreting your confidence interval in the context of this problem. Discuss the attributes of a 90% confidence interval in relation to the one already found