Author Question: An exit poll during a recent election revealed that 55 of those voting were women and that 65 of ... (Read 189 times)

futuristic

  • Hero Member
  • *****
  • Posts: 638
An exit poll during a recent election revealed that 55 of those voting were women and
  that 65 of the women voting favored Democratic candidates.
 
  What is the probability
  that a randomly chosen participant of the exit poll would be a woman who favored
  Democratic candidates?

Question 2

Suppose there is a 35 chance that a risky stock investment will end up in a total loss of
  your investment. Because the rewards are so high, you decide to invest in three
  independent risky stocks.
 
  What is the probability that all three stocks end up in total
  losses?



Gabe

  • Sr. Member
  • ****
  • Posts: 321
Answer to Question 1

P(woman and favored Democrats) = P(woman) P(favored Democrats  woman) = .55 .65 = .3575

Answer to Question 2

Let Li be the event that stock i ends up in a total loss.
P(all three stocks end in total loss) = P(L1 L2 L3)
= P(L



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

For a complete list of videos, visit our video library