A Deli Proposes to Serve 4 Main Sandwiches Of a Random Sample of 100 Customers, 44 Selected Chicken

Essay

A Deli proposes to serve 4 main Sandwiches. For planning purposes, the manager expects that the proportions of each that will be selected by her customers will be:
$$\begin{array} { | l | c | } \hline \text { Selection } & \text { Proportion } \\\hline \text { Turkey } & 0 .50 \\\text { Roast Beef } & 0 .20 \\\text { Pastrami } &0 .10 \\\text { Tuna } &0 .20 \\\hline\end{array}$$ Of a random sample of 100 customers, 44 selected chicken, 24 selected roast beef, 13 selected Pastrami, and 10 selected tuna. Should the manager revise her estimates? Use $\alpha$ = 0.01.