probability/please help

At a local college,147 of the male students are smokers and 343 are non-smokers. Of the female students,180 are smokers and 420 are non-smokers. A male student and a female student from the college are randomly selected for a survey. What is the probability that both are non-smokers?

  1. 👍
  2. 👎
  3. 👁
  1. well, we are doing two independent studies, one on males and the other on females

    p male non s = 343/490
    p female non s = 420/600
    so
    (343/490)(420/600)

    1. 👍
    2. 👎
  2. Thank you Damon

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. math/Do not understand

    At a local college,153 of the male students are smokers and 357 are non-smokers. Of the female students,145 are smokers and are 355 non-smokers. A male student and a female student from the college are randomly selected for a

  2. Economics (45)

    The 2003 Statistical Abstract of the United States reported the percentage of people 18 years of age and older who smoke. Suppose that a study designed to collect new data on smokers and nonsmokers uses a preliminary estimate of

  3. Calculus

    Four hundred students attended the dedication ceremony of a new building on a college campus. The president of the traditionally female college announced a new expansion program which included plans to make the college

  4. chemistry

    black smokers are found in the depths of the oceans. thinking that the coditions in these smokers might be conducive to the formation of organic compounds, two chemists in the germany found the following reaction could occur in

  1. Health

    How can tobacco affect the circulatory system? A. Decreases heart rate B. Raises blood pressure C. Softens the arteries D. Causes ulcers How can tobacco affect the body? A. Increases appetite B. Makes teeth whiter C. Slows heart

  2. statistics.urgent please help..

    A local college cafeteria has a self-service soft ice-cream machine. The cafeteria provides bowls that can hold up to 16 ounces of ice-cream. The food service manager is interested in comparing the average amount of ice-cream

  3. statistics

    The mean GPA (grade point averagE. of all male students at a college is 2.77 and the mean GPA of all female students at the same college is 2.89. Suppose we take one sample of 40 male students and another sample of 50 female

  4. Set Theory

    in a recent survey of 400 students of noun, 100 were listed as smokers and 150 as chewers of gum, 75 were listed for both smoking and chewers of gum. How many students are either smokers nor gum chewers.

  1. Math

    The probability that a student at a certain college is male is 0.498 . The probability that a student at that college has a job off campus is 0.712. The probability that a student at the college is male and has a job off campus is

  2. Math

    Since the enactment of a smoking ban in a particular city, the number of smokers has slowly declined. Statistics show that the number of smokers in this city has decreased for four consecutive months by 3%, 2%, 5% and 2%. What was

  3. Math (Statistics)

    The Centers for Disease Control reported the percentage of people 18 years of age and older who smoke (CDC website, December 14, 2014). Suppose that a study designed to collect new data on smokers and nonsmokers uses a preliminary

  4. Statistics

    In one study of smokers who tried to quit smoking with nicotine patch therapy, 39 were smoking one year after the treatment, and 32 were not smoking one year after the treatment. Use a 0.10 significance level to test the claim

You can view more similar questions or ask a new question.