Erin randomly surveyed 28 households in her neighborhood and found that 16 of them have at least one pet. Based on these data, how many of the 350 households in the neighborhood would be expected to have at least one pet?

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30

On #16 : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.

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.