I need help setting up the following two questions. I don't know where to begin.

In a study of Americans from a variety of professions were asked if they considered themselves left-handed, right-handed, or ambidextrous. The results are given below: Profession Right Left Ambidextrous Total Psychiatrist 101 10 118 Architect 115 26 148 Orthopedic Surgeon 121 5 6 132 Lawyer 83 16 6 105 Dentist 116 10 6 132 Total 536 67 32 635 1. Test for an association between handedness and career for these five professions. What do you conclude at the 5% significance level? What do you conclude at the 1% confidence level? Make sure you show all the steps. 2. Can we conclude, at the 5% significance level, that left-handedness is equally distributed among the five professions? Make sure you show all the steps