Question

It has been found that 40% of LSU students have changed their opinion of on-line instruction...

It has been found that 40% of LSU students have changed their opinion of on-line instruction over the last month. A sample of 20 students have been asked if their opinion of on-line instruction has changed. Round your answers to the nearest 3 decimal places.

  1. What is the probability that exactly 10 students have changed their mind?  
  2. What is the probabilty that fewer than 5 students have changed their mind?
  3. What is the probability that at least 14 students have changed their mind?  

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