John Isaac Inc. Case
$2.00
John Isaac Inc., a designer and installer of industrial signs, employs 60 people. The company recorded the type of the most recent visit to a doctor by each employee. A national assessment conducted in 2014 found that 53% of all physician visits were to primary care physicians, 19% to medical specialists, 17% to surgical specialists and 11% to emergency departments. Test at the 0.01 significance level if Isaac employees differ significantly from the survey distribution. Here are their results:
| Visit Type | Number of Visits | ||
| Primary care | 29 | ||
| Medical specialist | 11 | ||
| Surgical specialist | 16 | ||
| Emergency | 4 | ||
| e |
| State the decision rule. Use 0.01 significance level. (Round your answer to 3 decimal places.) |
| H0: The employee visits do not differ from the survey distribution.. |
| H1: The employee visits differ from the survey distribution. |
| Reject H0 if |
| Compute the value of chi-square. (Round your answer to 2 decimal places.) |