answer all questions with explanation

A slot machine contains 5 wheels. Equally spaced around each wheel is a star, a moon, a plane, a car, a dog, a cat, a lemon, and an apple. Exactly one of the items can be seen in the display window at a time, and a pull of the arm causes the wheels to spin independently. If the player wins when at least 4 of the wheels show the same item, then what is the probability that a player will win on a single pull