Need help with this question. Its all one question. Please help.

Scenario: It is known that 10% of people are left handed. What would you expect the range in variation to be in a sample size of 188? Use the scenario above to answer the following: Assuming the conditions are met, what would you expect the range in variation to be in a sample size of 1887 Calculate this by hand. Thereis a S % chance that the proportion of people in a sample size of 188 that are left handed is between and Question 4 What is the frequency of those who are left handed in the sample? What is the proportion of those who are left handed in the sample