Aresearcher studying public opinion of proposed social security changes obtains a simple random sample of 35 adult americans and asks them whether or not they support the proposed changes. to say that the distribution of the sample proportion of adults who respond yes, is approximately normal, how many more adult americans does the researcher need to sample in the following cases?
(a) 15% of all adult americans support the changes.
(b) 20% of all adult americans support the changes .

answer: 45

segment bisector

step-by-step explanation:

line segment bisector. definition: a line, ray or segment which cuts another line segment into two equal parts. try this drag one of the orange dots at a or b and note the the line ab always divides the line pq into two equal parts.

mark brainliest!

- both graphs increase on their domain.

- the graphs of both functions have the same x-intercept.

- neither graph has a y-intercept.

x= cost per bracelet

number of bracelets * x + shipping charge = total cost

so

9x+9=72