1. A marketing research consultant hired by Coca-Cola is interested in determining if the proportion of customers who prefer Coke to other brands is over 50%. A random sample of 200 consumers was selected from the market under investigation, 55% favored Coca-Cola over other brands. Additional information is presented below.

Sample proportion	0.55
Test Value	0.03518
Z test statistic	1.4213
p-value	0.07761

The market consultant has decided on One-tailed test in order to find whether the proportion is actually greater than 50%. Using a 5% significance level, can the marketing consultant conclude that the proportion of customers who prefer Coca-Cola exceeds 50%?

A. no

B. Not enough information is provided to make a correct decision

C. The test should be two-sided test and therefore there is no right answer

D. yes