Question

68% of all republicans voted for Trump. we Sample 36 Republicans 1. Calculate the minimum number of Republicans that would be needed to be sampled in order to use the normal model approach used in this example. (6) 3. A sample of arm circumferences of females is given by: { 40.7, 34.2, 44.3, 32.5, 38.5 }. Determine if it is likely that this sample comes from a normally distributed population by constructing below, the normal quantile plot, and interpreting your results. (i.e, why does the plot indicate or not indicate that the population is likely normal?) (8)

Answer 1

2 f )

n p (1-p) > 10

n * 0.68*0.32 > 10

n > 45.96

n = 46

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