In a population, 11% of people are left handed. In a simple random sample of 160 people selected from this population the proportion of left handers...

In a population, 11% of people are left handed. In a simple random sample of 160 people selected from this population the proportion of left handers is 0.10. What is the number of left handers in the sample and what notation is given to that number? What is the values of p and ^p?