Question

Assume that 13% of people are left-handed. We select 6 people at random. a) How many lefties do you expect? b) With what standard deviation? c) If we keep picking people until we find a lefty, how long do you expect it will take? a) How many lefties do you expect? lefties (Round to two decimal places as needed.)

Answer 1

1 rounded person will be left-handed

Explanation:

13% of 6 randomly selected people will be left-handed. (0.13)*(6) = 0.78 people. The last 0.78 person I talked to was very unhappy that he was not rounded up. Lets do that here. 1 person will be left-handed.