19 la) A GPA worse than 3.0 (b) A GPA worse than 2.0 (c) A GPA of at least 2.5 (

Question

19 la) A GPA worse than 3.0 (b) A GPA worse than 2.0 (c) A GPA of at least 2.5 (d) A GPA worse than 3.0 but greater than 25 20 15. Researchers often enter a lot of data into ste tistical software programs. The probability making zero to two errors per 1,000 keystrokes is .51, and the probability of making three five errors per 1,000 keystrokes is 24. Fin probabilities (per 1,000 keystrokes) associa with each of the following. lal At most two errors (b) At least three errors (c) At most five errors .24. Find te (d] More than five errors 16. In a study of group dynamics among b ex executives, R is the outcome where aith utive's rank holds great influence anty inf outcome where employees are directt e fof

Explanation / Answer

a) P( At most 2 errors) = 0.51

b) P( At least 3 errors) = 1-0.51 = 0.49

c) P( At most 5 errors) = 0.51+0.24 = 0.75

d) P( more than five erros) = 1-0.51-0.24 = 0.25

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