3) Pat has 5 white beads and 1 black bead in her bag. She asks two friends about the probability of picking a black bead without looking in the bag. Owen says: "it is 1 because there are 5 white beads and 1 black bead." Maria says: "It is because there are 6 beads and 1 is black." a) Which of Pat's friends is correct? Explain why the other friend is wrong. b) Tracy has a different bag of black beads and white beads. The probability of picking a black bead from Tracy's bag is. What is the probability of picking a white bead from Tracy's bag? 13 c) How many black beads and how many white beads could be in Tracy's bag? d) Peter has a different bag of black beads and white beads. Peter has more beads in total than Tracy. The probability of picking a black bead from Peter's bag is also. How many black beads and how many with beads could be in Peter's bag?

Q: What is the correct answer ? I have to show work.

A: Given Information: Sample size (n) = 22  Mean (u) = 12 Standard deviation (s) = 5.4

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A: 1) The mean is calculated as follows: x¯=20+11+20+11+165=785=15.6