Please can you help with this problem? Thank you.

Question 4 1.5 pts You are thinking of using theory-based methods to test hypotheses about the mean of a population. You suspect the distribution of the population is not normal and may be skewed. Which of the following statements is correct? 0 You may use theory-based methods provided you use a fairly large signicance level, say 10%. Q You may use theory-based methods provided your sample size is large, say at least 20. Q You may not use the theory-based methods for a test, but a theory-based condence interval should be valid. 0 You should not use the theory-based methods for any sample size because the population does not have a normal distribution