please help me urgent

QUESTION 1 The chef at a restaurant has introduced a new dish for dinner. However, the new dish requires more time to prepare compared to other dishes. He claims that the new dish should be maintained in the menu if more than 70% of the customers like the new dish. Therefore, he conducted a survey and 45 persons out of 150 customers responded that they dislike the new dish. a) State the variable used in the study. (1 Mark) b) Is there enough evidence to support the chef's claim to maintain the new dish? Test at 10% significance level. (8 Marks)