Math

StatisticsQ&A LibraryThe U.S. Census bureau serves as the leading source of quantitative data about the nation’s people and economy. The following cross-tabulation shows the number of households (1000s) and the household income by the highest level of education for the head of household only households in which the head has a high school diploma or more are included.Highest Level ofEducationUnder$25,000$25,000 to$49,999$50,000 to$99,999$100,000and OverTotalHigh school graduate9,8809,9709,4413,48232,773Bachelor’s degree2,4844,1647,6667,81722,131Master’s degree6851,2053,0194,0949,003Doctoral degree791604221,0761,737Total13,12815,49920,54816,46965,6441.Develop a joint probability2.Is household income independent of educational level?Question

Asked Oct 27, 2019

3 views

The U.S. Census bureau serves as the leading source of quantitative data about the nation’s people and economy. The following cross-tabulation shows the number of households (1000s) and the household income by the highest level of education for the head of household only households in which the head has a high school diploma or more are included.

Highest Level of Education |
Under $25,000 |
$25,000 to $49,999 |
$50,000 to $99,999 |
$100,000 and Over |
Total |

High school graduate |
9,880 |
9,970 |
9,441 |
3,482 |
32,773 |

Bachelor’s degree |
2,484 |
4,164 |
7,666 |
7,817 |
22,131 |

Master’s degree |
685 |
1,205 |
3,019 |
4,094 |
9,003 |

Doctoral degree |
79 |
160 |
422 |
1,076 |
1,737 |

Total |
13,128 |
15,499 |
20,548 |
16,469 |
65,644 |

1.Develop a joint probability

2.Is household income independent of educational level?

Step 1

1.

From the given information,

Step 2

The probability values are obtained by dividing the corresponding number of households by the total number of households.

Step 3

The joint density...

Tagged in

Find answers to questions asked by student like you

Show more Q&A

Q: 6.3.19 Assume that adults have IQ scores that are normally distributed w...

A: 6.3.19)From the given information, let us define the random variable X as the IQ scores follows norm...

Q: Find the t-value for a=0.005 one-tailed test with n=25.

A: Computation of degrees of freedom:It is given that α=0.005; n=25.Also, it is given that the test is ...

Q: Question Help A test to determine whether a certain antibody is present is 99.1% effective. This mea...

A: Binomial distribution:The binomial distribution gives the probability of number of successes out of ...

Q: Use a table of t-values to estimate the P-value for the specified one-mean t-test. Tight-tailed tes...

A: Solution:The degrees of freedom is obtained below:From the given information, sample size is 19, tes...

Q: The time that a machine takes to produce a widget is a continuous uniform random variable ranging fr...

A: Here, distribution ranges from a=20 to b = 40

Q: Will you show me step by step how to answer this, please?

A: Given DataP(X) = X + 0.2For X = 0.07P(X = 0.07) = 0.07 + 0.2 = 0.27For X = 0.16P(X = 0.16) = 0.16 + ...

Q: This Question: 10 pts 8 of 28 (15 complete) Compute the critical value z/2 that corresponds to a 93%...

A: Given confidence interval is 93%Level of significance = α = 1 - 0.93 = 0.07α/2 = 0.07/2 = 0.035In th...

Q: In order to daw meaningful conclusion regarding the sex and race between of arrestees in New York Ci...

A: In the given example, the data is gathered on all arrests made over one-year of period in New York c...

Q: Help

A: In this context, X has a Binomial distribution with parameters n = 11 and p = 0.35. Since X is a dis...