Part 1) SHOP AT WORK, LOSE YOUR JOB? - 8 pts

CareerBuilder.com conducted a survey of 2245 employers asking if they had fired an employee for shopping online while at work. 257 employers said they had fired an employee for online shopping while at work. A manager at a local recruiting agency claims that more than 10% of employers fire an employee for online shopping while at work. Does the sample data provide evidence to support this manager's claim at=.05?

1. A. Is this a test for a population proportion or a population mean?
2. B. What distribution is used to conduct this test?

C. Is this a left-tailed, right-tailed, or two-tailed test?

2. State AND verify all assumptions required for this test.

[HINT: This test should have four assumptions to be verified.]

1. State the null and alternate hypotheses for this test: (use correct symbols and format!)

Null hypothesis : Ho:

Alternate hypothesis : Ha:

1. Run the correct hypothesis test and provide the information below. Give the correct symbols AND numeric value of each of the following (round answers to 3 decimal places).

Test Statistic:

Critical value [HINT: this is NOT