When to use t vs z distribution

- When to use t distribution vs z distribution for confidence interval
- When to use t or z distribution
- When do we use t vs z distributions
- When to use t versus z distribution
- When do you use t distribution vs z distribution
- When to use t distribution over z distribution
- When we use t distribution
- Difference between normal distribution and t distribution
- What is t distribution
- T distribution in r
- T distribution problem