Although studies continue to show smoking leads to significant health

Although studies continue to show smoking leads to significant health problems, 20% of adults in the United States smoke. Consider a group of 300 adults.

 

If required, round your answers to four decimal places.

 

b.  What is the probability that fewer than 30 smoke?
 

 

c.  What is the probability that from 35 to 60 smoke?
 

 

d.  What is the probability that 70 or more smoke?