Jacob brought 6 3/4 carrot cakes to share with the 26 students in his class did Jacob bring enough for each students to have 1/4 of a cake

Ratio of circumference to diameter example plz i need to now what it looks like.

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.

Ireally don't understand this, i'm really an idiot but i want to know how to figure this out. !