Statistics

posted by .

. Two thousand randomly selected adults were asked whether or not they have ever shopped on the internet. The following table gives a two-way classification of the responses obtained.
Have shopped Have never shopped
Male 500 700
Female 300 500
Suppose one adult is selected at random from these 2000 adults. Find the following probabilities
a) P(has never shopped on the Internet and is a male)
b) P(has shopped on the Internet and is a female)

  • Statistics -

    A) 0,35
    B) 0,15

  • Statistics -

    0,35

  • Statistics -

    a. 7/12

    b. 3/8

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. chemistry: brain teaser

    I have this question that i am having trouble with..Please help Sally and 3 friends each bought a pumpkin at a local produce market. No two people carved their pumpkins to resemble the same object nor did any two buy their pumpkins …
  2. Statistics Help

    Six candidates for a new position of vice-president for academic affairs have been selected. Three of the candidates are female. The candidates’ years of experience are as follows. Candidate Experience Female 1 Female 2 Female 3 …
  3. English

    1. Have you ever chatted with a foreigner at a chatroom?
  4. stats

    This week we practice with Binomial Distribution. You can use Appendix Table E or Excel Function Binomdist. About 30% of adults in United States have college degree. (probability that person has college degree is p = 0.30). If N adults …
  5. Statistics

    3. The following table gives a two-way classification of all basketball players at a university who began their college careers between 2004 and 2008, based on gender and whether or nor they graduated. Graduated Did Not Graduate Male …
  6. Math

    A sample of 500 drivers was asked whether or not they speed while driving. The following tables gives a two-way classification: Speed Never speed Male 222 78 Female 128 72 We wish to test whether gender and speeding are related at …
  7. Math

    A sample of 500 drivers was asked whether or not they speed while driving. The following tables gives a two-way classification: Speed Never speed Male 222 78 Female 128 72 We wish to test whether gender and speeding are related at …
  8. Statistics and probability

    a sample of 500 drivers was asked whether or not they speed while driving. The following table gives a two-way classification: speed Never Speed totals male 222 78 300 female 128 72 200 totals 350 150 500 We wish to test whether gender …
  9. algebra

    Jess observed that 60% of the people at a mall on a particular day shopped for clothes. If 2500 people at the mall did not shop for clothes that day, the number of people who shopped for clothes that day was ______. (only put numeric …
  10. Maths

    solve the riddle- a men lends rupees 1000 from one person and 500 from other person .hr lost 1000 and shopped 300 out of 500 .he left with 200 and gave 100 to each . now how much miney he has to retuen to the persoms combinesd

More Similar Questions