1. If two events A and B are independent, then: P(A/B) P(A); True or false? 2. In the case of two events A and B that are incompatible P(A and B) = 0; True or False? 3. If P(A) = 0.2; P(B) = 0.85; Then P(A and B)=? 4. If P(A) = 0.40; P(B) = 0.36; and P(A|B) = 04; Then P(A or B) = ???? 5. Sales data from a store were recorded for several sections of the store. They found that the customers who visited the "cell phone" section were distributed as follows: 35% of the visitors were female, in addition 45% of the customers who visited the store made a purchase, while 25% of its male customers made a purchase. Note: F: The event "The customer is female." H: The event "The customer is male". A: "The customer makes a purchase What is the probability that the next visitor to the "cell phone" section will make a purchase? 6. The sales data of a store were recorded for several sections of the store. They found that customers who visited the "cell phone" section were distributed as follows: 35% of visitors were female, in addition 45% of the customers who visited the store made a purchase, while 25% of its male customers made a purchase. Note: F: The event "The customer is female." M: The event "The customer is male". A: "The customer makes a purchase The sales manager is informed that a phone has just been sold. What is the probability that the customer is female