Whole Foods reports that 80% of its customers requests Vegetarian Options in its stores. Lauren asked 10 of Trader Joe's customers if they request for Vegetarian Options in the stores.

1. What is the probability that at least six of Whole Foods customers request for Vegetarian Options in the stores?
2. What is the probability that no more than four of Whole Foods customers request for Vegetarian Options in the stores?
3. What is the probability that at most seven of Whole Foods customers request for Vegetarian Options in the stores?
4. For values of x=0 to 10, determine the probabilities of this binomial probability distribution and find the variance and standard deviation of Whole Foods customers that request for Vegetarian Options in the stores?