Question

Use the data in the following table, which lists drive-thru order accuracy at popular fast food chains. Assume that orders are randomly selected from those included in the table. Drive-thru Restaurant с Order Accurate 328 268 247 Order Not Accurate 40 53 35 A B D 130 13 Wone order is selected, find the probability of getting an order from restaurant A or B or an order that is not accurate, The probability of getting an order from restaurant A or Bor an order that is not accurate is 1 (Round to three decimal places as needed.)

Answer 1

Given Table, A B 드 D al Tora Order Accurale 328 268 247 130 973 Order Not Accurate 40 53 35 13 141 Tola 368 321 2&2 143 114 let x be event event represents the order The order is from or B P(x)= 368 + 321 689 1114 14 let y be event represents the order is not accurate Ply)= 141 14 Here, we need to find to find P(XUY) P(XUY)= P(X) + Ply) - P(xny) 689 141 (40+53) + 1114 689 + 141-93 737 = 0.66157 989228 1114 1114 no. 662 .: The probabilly of gelling an order from restaurant A or B or an order that is not accurate in 0.662