A fair coin is flipped 9 times. What is the probability of getting exactly 6 heads?

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A fair coin is flipped 9 times. What is the probability of getting exactly 6 heads?

Lane Questions http://onlinestatbook.com/Online_Statistics_Education.pdf

Chapter 5, Exercise 5, Page 216

  1. A fair coin is flipped 9 times. What is the probability of getting exactly 6 heads?

Chapter 5, Exercise 7, Page 216

7.You flip a coin three times. (a) What is the probability of getting heads on only

one of your flips? (b) What is the probability of getting heads on at least one flip?

Chapter 5, Exercise 9, Page 217

  1. A jar contains 10 blue marbles, 5 red marbles, 4 green marbles, and 1 yellow marble. Two marbles are chosen (without replacement). (a) What is the probability that one will be green and the other red? (b) What is the probability that one will be blue and the other yellow?

Chapter 5, Exercise 27, Page 221

  1. A refrigerator contains 6 apples, 5 oranges, 10 bananas, 3 pears, 7 peaches, 11 plums, and 2 mangos.
  1. Imagine you stick your hand in this refrigerator and pull out a piece of fruit at random. What is the probability that you will pull out a pear?
  1. Imagine now that you put your hand in the refrigerator and pull out a piece of fruit. You decide you do not want to eat that fruit so you put it back into the refrigerator and pull out another piece of fruit. What is the probability that the first piece of fruit you pull out is a banana and the second piece you pull out is an apple?
  1. What is the probability that you stick your hand in the refrigerator one time and pull out a mango or an orange?

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