A company is about to launch a new cell phone model. In the past, 40% of its cell phones have launched successfully. Before any cell phone is
launched, the company conducts market research and receives a report predicting favorable or unfavorable sales. In the past, 70% of successful
cell phones and 20% of unsuccessful cell phones received favorable reports. What is the probability that the new cell phone will receive a
favorable report, given that the cell phone launch is successful?
OA 0,45
OB. 0.54
OC 0,64
OD. 0.70