True or False
1. A 95% confidence interval of {-.5, 3.5} means that, on 95% of
repeated experiments, the sample mean will be between -.5 and
3.5.
2. The probability of making a type-I error depends, in part, on
power.
3. In general,
4. According to the central limit theorem, the sample mean, , is
always normally distributed, even when population distribution of
x is not normal