Multiple choice problems- Testing of hypothesis.

1. Which statement is incorrect?
a)The null hypothesis contains the equal opportunity sign
b)When a false null hypothesis is not rejected, a Type II error has occurred
c)If the null hypothesis is rejected, it is concluded that alternative hypothesis is true
d)If we fail to reject the null hypothesis, then it is proven that null hypothesis is true
 
2.If a null hypothesis is rejected at a significance level of .01, it will ______ be rejected at a significance level of .05 
1)Always
2)Sometimes
3)Never