(a) Enumerate different types of Non-probability sampling with compelling examples.

(b) The mean annual turn-over rate of the 200-count bottle of juice is 6.0 with a standard deviation of 0.50. If it is suspected that the mean turn-over has changed. A random sample of 64 bottles of 200 count size bottle of juice showed a mean turn-over rate 5.90. Shall we reject that the hypothesis that the population mean is 6.0? Use the 5% significance level.