Discussion:
Identifying H0and Hr in below,examine the given statement then express the null hypothesis H0 and alternative hypothesis H1 in symbolic form.
Q1. The mean IQ of statistics students is at least 110.
Q2. The percentage of men who watch golf on tv is not 70%, as is claimed by the Madison Advertising Company.
Finding Critical Values. In below, find the critical z values. In each case ,assume that the normal distribution applies.
Q3. Two-tailed test: alpha = 0.01
Q4. Left-tailed test; alpha=0.05