A Gallup poll claims that at least 60% of adults in the United States have used the Internet for shopping. In a survey of 1,025 randomly selected adults in the U.S., 678 said that they have used the Internet for shopping. Test the poll's claim at the significance level of =.05 .
a) Identify the claim, and write the claim, the null hypothesis, and the alternative hypothesis in symbolic form.
b) Determine if the test is two-tailed, right-tailed, or left-tailed, and determine the value of the test statistic.
c) Find the P-value, and use it to either reject or fail to reject the null hypothesis.
d) Write your conclusion in a complete sentence in plain English.