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What is the standard deviation

Assignment Help Basic Statistics
Reference no: EM132483351

Question: It is estimated that 10% of those taking the quantitative methods portion of the certified public accountant (CPA) examination fail that section. Seventy four students are taking the examination this Saturday.

a-1. How many would you expect to fail? (Round the final answer to 2 decimal places.)

Number of students

a-2. What is the standard deviation? (Round the final answer to 2 decimal places.)

Standard deviation

b. What is the probability that exactly three students will fail? (Round the final answer to 4 decimal places.)

Probability

c. What is the probability at least three students will fail? (Round the final answer to 4 decimal places.)

Probability

Reference no: EM132483351

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