The federal government would like to determine if the proportion of households without health insurance coverage is significantly different between$50,000to 74,999and $75,000to $99,9999household income.Using a level of significance of 0.05.(Round final answer to four decimal places)

Health Insurance

Household Income

Yes

No

Less than $25,000

30

20

$25,000 to $49,999

45

50

$50,000 to $74,999

38

22

$75,000 to $99,999

25

27

$100,000 or more

50

25

I. The critical value to conduct the test is:

II. The absolute value of the difference between the sample proportions is:

III.The conclusion for this test is (The proportions are significantly different,Insufficient evidence to conclude that the proportions aresignificantlydifferent):