finite math

The probability that a randomly selected individual in a country earns more than 75,000 per is 10.5%. the probability that a randomly selected individual in a country earns more than 75,000 per year, given that the individual has earned a bacholer’s degree is 21.5%. The events are “earned more than 75,000” and “earned a bacholer’s degree”. Are these events independent?

  1. 👍 2
  2. 👎 0
  3. 👁 2,560
asked by carol
  1. B=bachelor's degree
    H=high income

    P(H)=0.105
    P(H|B)
    =P(H∩B)/P(B)
    =0.215
    =>
    P(H∩B)=P(H|B)*P(B)
    =0.215*0.105
    >0
    So H and B are not independent.

    1. 👍 0
    2. 👎 2
  2. Ty

    1. 👍 0
    2. 👎 2
    posted by Denise

Respond to this Question

First Name

Your Response

Similar Questions

  1. probability

    10. The probability that a randomly selected individual in a country earns more than 75,000 per is 11.5%. the probability that a randomly selected individual in a country earns more than 75,000 per year, given that the individual

    asked by carol on June 17, 2014
  2. math

    The data set represents the income levels of the members of a country club. Estimate the probability that a randomly selected member earns at least $98,000. 112,000 126,000 90,000 133,000 94,000 112,000 98,000 82,000 147,000

    asked by HELP on April 18, 2015
  3. statistics

    The data set represents the income levels of the members of a country club. Estimate the probability that a randomly selected member earns at least $98,000. 112,000 126,000 90,000 133,000 94,000 112,000 98,000 82,000 147,000

    asked by HELP on April 18, 2015
  4. Economics (36)

    For borrowers with good credit scores, the mean debt for revolving and installment accounts is $15,015 (BusinessWeek, March 20, 2006). Assume the standard deviation is $3,730 and that debt amounts are normally distributed. a. What

    asked by Mia on May 9, 2014
  5. Economics (36)

    For borrowers with good credit scores, the mean debt for revolving and installment accounts is $15,015 (BusinessWeek, March 20, 2006). Assume the standard deviation is $3,730 and that debt amounts are normally distributed. a. What

    asked by Mia on May 11, 2014
  1. Statistics (36)

    For borrowers with good credit scores, the mean debt for revolving and installment accounts is $15,015 (BusinessWeek, March 20, 2006). Assume the standard deviation is $3,730 and that debt amounts are normally distributed. a. What

    asked by Mia on May 6, 2014
  2. Math

    . According to the U.S. Census Bureau, the probability that a randomly selected head of household in the United States earns more than $100,000 per year is 0.202. The probability that a randomly selected head of household in the

    asked by Keonn'a on March 13, 2018
  3. Statistics

    . According to the U.S. Census Bureau, the probability that a randomly selected head of household in the United States earns more than $100,000 per year is 0.202. The probability that a randomly selected head of household in the

    asked by Keonn'a on March 13, 2018
  4. Sampling Distribution Complete solutions and illus

    Sampling Distribution Complete solutions and illustrations are required. 1.The average annual salary for all U.S. teachers is $29,863. Assume that the distribution is normal and the standard deviation is $5,200. a.Find the

    asked by Rhea on February 27, 2013
  5. Statistics

    786,000 men and 204,000 women in the farming, fishing, and forestry occupations category. For these 2,355,000 individuals, what is the probability that a randomly selected individual will either be a male or be in the life,

    asked by Lesliam on July 20, 2009

More Similar Questions