last one please , i have done it but just want to make sure its right

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 conducts a survey of 300 Canadian adults and nds that 235 of them eat salad at least once a week. Conduct the appropriate test that addresses the nutritionist's suspicions. Use (1.05 level of signicance. Show the complete solution in the space provided. If you used Excel, show all functions used with all the parameters