Dear Tutor please help me out please your efforts will be appretiated
Extracted text: 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 7 118 Architect 115 26 7 148 Orthopedic Surgeon 121 5 132 Lawyer 83 16 105 Dentist 116 10 132 Total 536 67 32 635 a) Amongst Americans, 10% of the population is left-handed. Is there enough evidence from this data to show that more than 10% of those in these professions are left-handed? Make sure you show all the steps of this test. b) Construct and interpret the 99% confidence interval for the proportion of Americans who are ambidextrous, based on this sample. c) Is there enough evidence to conclude that proportion of left-handed orthopedic surgeons is less than the proportion of left-handed architects? Make sure you show all the steps of the test.
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