Fruited Carrot Salad

1/2 to 2/3 pkg. shredded carrots

1/2 to 2/3, 11 oz., can mandarin oranges, drained

2/3, 8 oz., can crushed pineapple, drained

1/4 cup raisins

3 heaping tablespoons sour cream

1/4 to 1/3 cup mayonnaise

Mixed all together and refrigerate it until time to eat around 4 hours