question 8

A hypothesis test is to be performed for a population proportion. For the given sample data and null hypothesis, compute the value of the test statistic, Z= P - PO po(1- po) 8) A radio show producer believes that a new proposed format would be 8) preferred by only 15% of their current listeners. In a random sample of 100 current listeners, 20% favored the new format. The null hypothesis is Ho: p= 0.15. A) 0.868 B) 1.400 C) 1.848 D) 4.340