According to a survey by a health company,85%of Canadian adults eat salad at least once a week.A nutritionist suspects that the percentage is lower than this.She conductsa surveyof 300 Canadian adults and finds that 235 of them eat salad at least once a week. Conduct the appropriate test that addresses the nutritionist's suspicions. Use 0.05 level of significance.

Show the complete solution in the Exam book. If you used Excel, show all functions used with all the parameters. You don't need to write the test of the problem in the book, but mention that you are solving "Essay Problem 3".