A researcher studying public opinion of propose d Social Security changes obtains a simple random sample of 50 adult Americans and asks them whether or not they support the propose d changes. To say that the distribution of pˆ p^, the sample proportion of adults who respond yes, is approximately normal, how many more adult Americans does the researcher need to sample if (a) 10% of all adult Americans support the changes?
(b) 20% of all adult Americans support the changes?

what are ur choices?

30005

yes ok                                            

option: d is the correct answer.

d) none of the above.

step-by-step explanation:

clearly from the figure attached to the question we could see that there is no shape given. hence without any shape given in the figure and after rotation we can't obtained a square pyramid.

since, to obtain a image we need a proper figure of the pre-image so that it can be transformed.

hence, the correct answer is:

d) none of the above.

step-by-step explanation:

no because after the troops were pulled many blacks were killed by hangings lynchings and other cruel ways which in a way interrupted the reconstruction of the south and differed from the way abraham lincoln had an idea of reconstruction