A preacher would like to establish that of people who pray,
less than 80 percent pray for world peace. In a random sample of
110 persons, 77 of them said that when they pray, they pray for
world peace. You are to test the preacher’s claim at the 10 percent
level of significance.
a) What would be the appropriate set of hypotheses for this
b) What type of test is given?
c) What is the maximum probability of committing a type I
d) Which test statistic would be most appropriate to
e) Find the test score for this test.
f) Find the critical value.
g) What would be your decision?
h) How would you conclude?