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A political survey conducted a few weeks before the 2020 US presidential elections looked at preference for the candidates and how that varied by age group.  The results are shown below for a sample (N=282) of possible voters.  The presented data are the observed frequencies of survey respondents who stated a preference for Biden or Trump, separately by age group.     Favored candidate: Age group: Trump Biden   Under 30 29 59   30 to 49 40 57   50 and older 48 49 Test if candidate preference is independent of age group, at the .05 level. Show your work, and state your decision and your conclusions.

SECTION A: COMPULSORY [ 50] QUESTION 1  [20] 1.1 Choose the most correct answer:   1.1 … is about the management of communication between the business and stakeholders. (2)

A variable X is distributed as a normal with mean 78 and variance 125.  What is the probability that a randomly chosen observation has a value greater than 100?

QUESTION 3 [20]  Each of the following statements are FALSE. Change the underlined word (s) in each statement to make the statement TRUE. Provide only the correct word / term 3.1 The question arises what the relevant stakeholders of the problem / situation will be told. [Communication / Evaluation] (2)

1.10 This is where the PR function assesses all the factors that contribute to the PR problem or opportunity. (2)

1.3 It is vital that the business listens to stakeholders’ concerns or demands and that the business responds in an effective manner. (2)

Suppose the economy is producing at the natural rate of output. An increase in consumer and business confidence will cause ________ in real GDP in the short run and ________ in inflation in the short run, everything else held constant.

When financial institutions go on a lending spree and expand their lending at a rapid pace they are participating in a

Everything else held constant, an increase in the cost of production ________ aggregate ________.

The Keynesian theory of money demand emphasizes the importance of