Y is inversely proportional to the square of x. A table of values for x and y is shown.

Х| 1 2 3 4
Y| 4 1 4/9 1/4

a) Express y in terms of x.
b) Work out the positive value of x when y = 25

Apolice office claims that the proportion of people wearing seat belts is less than 65%. to test this claim, a random sample of 200 drivers is taken and its determined that 126 people are wearing seat belts. the following is the setup for this hypothesis test: h0: p=0.65 ha: p< 0.65 find the p-value for this hypothesis test for a proportion and round your answer to 3 decimal places.