This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A random variable x is uniformly distributed between 45 and 150. a. Determine the probability of x ... (Read 44 times)

newbem

  • Hero Member
  • *****
  • Posts: 579
on: Jun 24, 2018
A random variable x is uniformly distributed between 45 and 150.
 a. Determine the probability of x = 48.
  b. What is the probability of x  60?
  c. What is the probability of x  50?
  d. Determine the expected vale of x and its standard deviation.

Question 2

In determining the sample size necessary to estimate a population proportion, which of the following is NOT needed?
 a. the maximum margin of error that can be tolerated
  b. the confidence level required
  c. a preliminary estimate of the true population proportion p
  d. the mean of the population


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Animal_Goddess

  • Sr. Member
  • ****
  • Posts: 339
Reply #1 on: Jun 24, 2018
Answer to Question 1

a. 0
b. .1429
c. .9524
d. 97.5, 30.31

Answer to Question 2

d


newbem

  • Member
  • Posts: 579
Reply 2 on: Jun 24, 2018
Great answer, keep it coming :)

jomama

  • Member
  • Posts: 346
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Random doodling Random doodling
Evaluation measures to determine the success of goals Evaluation measures to determine the success of goals
Amniocentesis. The patient is examined with ultrasound to determine the placental site and to locate ... Amniocentesis. The patient is examined with ultrasound to determine the placental site and to locate ...
Gas molecules have no bonds to other molecules and move in random motion. Gas molecules have no bonds to other molecules and move in random motion.
Generation of diversity by variable V-J joining mechanisms Generation of diversity by variable V-J joining mechanisms
Determine the exact value of each trig ratio. Determine the exact value of each trig ratio.
Video: Premenstrual Syndrome

For a complete list of videos, visit our video library