Can you please help me correct 2b and 3b?Thank you!

Of all smartphone users in the U.S., pretend that the probability that they will use a mobile payment app like Venmo, Zelle, or Paypal is 0.40. A magazine claims the following: Out of any 5 randomly selected Internet users, exactly 2 will use the mobile payment app. Use a few sentences to write a better interpretation of this probability. of all smartphone users in the / us., 40% of them will use the mobile payment app. b. Suppose that the figure given in the prompt is true: the probability that a smartphone user will use a mobile payment app is 0.40. Also suppose that the probability that a smartphone user owns an iPhone is 0.55. If the events "uses a mobile payment app" and "owns an iphone" are independent, find the probability that a smartphone user both uses a mobile payment app and owns an iPhone. Explain why your answer makes sense in 1-3 sentences. The probability that a smartphone user both uses a mobile payment app and owns an iphone is o.SS. 3. Sometimes, printers make streaks of ink on paper. Suppose that the probability that the 2nd Floor Printer will cause a streak on a piece of paper is 0.004. Suppose further that a printer prints 250 sheets over the course of a work day. a. What is the probability that at least one sheet of paper in the group of 250 will have a streak? For this problem, you can treat the probability above as if it is exactly the same for every sheet. Please note the number of zeroes in the probability given to you above. Show work. 280 = 100%% 30. 996 As stated above, the 2nd Floor Printer has a 0.004 probability of causing a streak on a sheet of paper. If the printer causes a streak, there is a 0.42 probability that the sheet of paper will be unreadable. If the printer does not cause a streak, the paper will always be legible. Suppose a sheet of paper is selected at random. Given that the paper is readable, what is the probability that it has a streak? Show work. P(AIB ) = P(AnB ) A P (B ) Table 0.004 0 0.58 or 0 . 58 = 0.4 %