Suppose that you were trying to find out if the population proportion of Americans that currently think that nuclear power is extremely/very dangerous to environment was less than 50%. You decide to test the null hypothesis Ho: p = 0.50 versus Ha: p < 0.50.
In 1993, the General Social Survey included question that asked its participants if they felt that nuclear power plants were extremely/very dangerous to environment. Out of the 1419 surveyed, 630 said yes. Determine the value of test statistic for this problem?
A. -4.22
B. 4.22
C. 16.83
D. -16.83
E. -16.42
F. 16.42