Write SQL query to solve given problem: How many stars on average does user no.3 give to Yelp_Business in Arizona?. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT AVG(T2.review_stars) FROM Business AS T1 INNER JOIN Reviews AS T2 ON T1.business_id = T2.business_id WHERE T1.state LIKE 'AZ' AND T2.user_id = 3