Please help me solve for Z.

A medical researcher says that less than 23% of adults in a certain country are smokers. In a random sample of 200 adults from that country, 16.5% say that they are smokers. At a = 0.05, is there enough evidence to support the researcher's claim? Complete parts (a) through (e) below. The critical value(s) is/are Zo = |- 1.6451. (Round to three decimal places as needed. Use a comma to separate answers as needed.) What is/are the rejection region(s)? Select the correct choice below and fill in the answer box(es) to complete your choice. (Round to three decimal places as needed.) O A. Z O B. z (c) Find the standardized test statistic z. z= (Round to two decimal places as needed.) (d) Decide whether to reject or fail to reject the null hypothesis and (e) interpret the decision in the context of the original claim. Ho. There enough evidence at the 5% level of significance to the researcher's claim that of are smokers. Help me solve this View an example Get more help - Next 9 M O AO 12:36