Worksheet: Null and Alternative Hypothesis 1. You are testing that the mean speed of your cable Internet connection is more than three Megabits per second. What is the random variable? Describe in words. 2. You are testing that the mean speed of your cable Internet connection is more than three Megabits per second. State the null and alternative hypotheses. 3. The American family has an average of two children. What is the random variable? Describe in words. 4. The mean entry level salary of an employee at a company is $58,000. You believe it is higher for IT professionals in the company. State the null and alternative hypotheses. 5. A sociologist claims the probability that a person picked at random in Times Square in New York City is visiting the area is 0.83. You want to test to see if the claim is correct. State the null and alternative hypotheses. 6. In a population of fish, approximately 42% are female. A test is conducted to see if, in fact, the proportion is less. State the null and alternative hypotheses