It has been found that 85.6% of all enrolled college students in the united states are undergraduates. a random sample of 500 enrolled college students in colorado revealed that 420 of them were undergraduates. is there enough evidence to support the claim that the proportion is less than the national percentage? use α = 0.05. (use the traditional method to test the hypothesis). make sure to write down the hypotheses, claim, critical value, test statistic, decision and conclusion (interpretation in terms of question).

The lifeguard at the local beach record the tides each day the chart below shows the high and low tides over two days

Which of the following statements describes the nature of "stigma" as it relates to welfare? a) society values individual characteristics such as self-reliance and a willingness to work hard, welfare recipients are seen as dependent and lazy. b) social welfare hs been polarized as a "moral category", and its related policy includes treating the poor in a dignified manner, as to highlight the responsible nature of the welfare recipents. c) the norm of reciprocity explains the societal obligation to make some return for the things received, welfare recipents are stigmatized because they are able to be seen as making appropiate contributions for the benefits they incur. d) the capitalistic nature of u.s. society stresses that those who work hard and have the ability will be rewarded with success, welfare recipients are equal to those who do not receive welfare because both groups of people deserve the benefits of success.

Are people more motivated to change from positive or negative experiences, like slavery, womens rights, and any other historical movements/moments? i need more factual information than opinions.