I need to serve 20 people I have

2 tbsp olive oil
400g beef mince 1 onion diced
2 garlic cloves chopped
100g of carrots grated
800g of chopped tomatoes
400ml of stock
400g of dried spaghetti
1 tsp of salt and pepper

Answer this question only if you know the answer! 30 points and

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.

Sam is picking fruit from a basket that contains many different kinds of fruit. which set of events is independent?