The risk of females experiencing an anxiety disorder during agiven 12-month period is approximately 1 in 5. Suppose a researcherplans to take a random sample of females and monitor their anxietyover 12 months.
If 10 females are randomly sampled, what is the probability that5 or more will experience an anxiety disorder? (Round answer to 3decimal places)
If 20 females are randomly sampled, what is the probability that2 or more will experience an anxiety disorder? (Round answer to 3decimal places)
If 20 females are randomly sampled, what is the probability that5 or less will experience an anxiety disorder? (Round answer to 3decimal places)
If 30 females are randomly sampled, what is the probability that10 or less will experience an anxiety disorder? (Round answer to 3decimal places)
