1,000 or more employees. The questionnaire sent to 225 employees asked whether or not the employee had health insurance and then asked the employee to indicate the size of the company. (a) Conduct a test of independence to determine whether health insurance coverage is independent of the size of the company. State the null and alternative hypotheses. H0 : Having health insurance is not independent of the size of the company. Ha : Having health insurance is independent of the size of the company. H0 : Having health insurance is not independent of the size of the company. Ha : The proportion of companies with health insurance benefits is not equal for small, medium and large companies. H0 : Having health insurance is independent of the size of the company. Ha : Having health insurance is not independent of the size of the company. H0 : Having health insurance is independent of the size of the company. Ha : The proportion of companies with health insurance benefits is equal for small, medium and large companies. Find the value of the test statistic. (Round your answer to three decimal places.) What is the p-value? (Round your answer to four decimal places.) p-value = Using a 0.05 level of significance, what is your conclusion? Reject H0. We conclude health insurance coverage is not independent of the size of the company. Do not reject H0. We cannot conclude health insurance coverage and the size of the company are not independent. Do not reject H0. We cannot conclude health insurance coverage is independent of the size of the company. Reject H0. We conclude health insurance coverage is independent of the size of the company. For small companies, % do not provide health insurance. For medium companies \% do not provide health insurance. For large companies, % do not provide health insurance. These percentages support the conclusion that small companies are likely to provide health insurance coverage when