This topic contains a solution. Click here to go to the answer

Author Question: A new drug is designed to reduce a person's blood pressure. Thirteen randomly selected hypertensive ... (Read 63 times)

mikaylakyoung

  • Hero Member
  • *****
  • Posts: 531
A new drug is designed to reduce a person's blood pressure. Thirteen randomly selected hypertensive patients receive the new drug. Suppose the probability that a hypertensive patient's blood pressure drops if he or she is untreated is 0.5.
 
  Then what is the probability of observing 11 or more blood pressure drops in a random sample of 13 treated patients if the new drug is in fact ineffective in reducing blood pressure? Round to six decimal places.

Question 2

Let t0 be a particular value of t. Find a value of t0 such that P(t  t0 or t  t0 ) = .1 where df = 14.
 
  What will be an ideal response?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

vkodali

  • Sr. Member
  • ****
  • Posts: 357
Answer to Question 1

Let x = the number of the 13 hypertensive patients whose blood pressure drops.
Then X is a binomial random variable with n = 13 and p = .5.

P(x  11 ) = P(x = 11 ) + P(x = 12 ) + P(x = 13 )
= 0.011230

Answer to Question 2

t0 = 1.761; Use table for t.050 with 14 degrees of freedom.




mikaylakyoung

  • Member
  • Posts: 531
Reply 2 on: Jul 24, 2018
YES! Correct, THANKS for helping me on my review


dantucker

  • Member
  • Posts: 346
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

For a complete list of videos, visit our video library