Question

In: Statistics and Probability

Assuming there are 365 students are taking PSY301 a University. The survey shows that 169 of...

Assuming there are 365 students are taking PSY301 a University. The survey shows that 169 of the students are male, and the remaining are females. 102 of them live in the suburb of which 42 are female.

Use the above information to answer the questions below. Leave your answer in percent and plain English.

  1. Complete the table and use the table to answer the following questions below

Sex versus Residence

Residence

Total

City

Suburb

Sex

Female

42

Male

169

Total

102

365

  1. If a student is chosen at random, what is the probability of choosing a female or a student who resides in the suburb? in percent and in plain English

  2. If a student is chosen at random, what is the probability of choosing a male or a student who resides in the city? in percent and in plain English

  3. If a student is chosen at random, what is the probability that the student resides in the city given that the student is a female? in percent and in plain English.

  4. If a student is chosen at random and known to reside in the city, what is the probability that the student is female? in percent and in plain English.

Solutions

Expert Solution


Related Solutions

In a survey of 500 females and 500 male students, 345 and 365 female and male...
In a survey of 500 females and 500 male students, 345 and 365 female and male students respectively, reported that they decided to attend college in order to make more money. Is ther population of female students who decided to attend college in order to make more money less than that of male studenst? Conduct the test with a significance level of 0.05.
A preliminary survey shows that 33% of college students smoke. In a class of 43 students,...
A preliminary survey shows that 33% of college students smoke. In a class of 43 students, what is the probability that more than 48% of the students smoke? Use Appendix B.1 for the z-values. (Round the z-value to 2 decimal places and the final answer to 4 decimal places.) Probability
It is estimated that 30% of university students are taking five or more classes this semester...
It is estimated that 30% of university students are taking five or more classes this semester (let us call them full-load students). Among the full-load students, 20% are working part-time. On the other hand, among the non-full-load students, 60% are working part-time. a) When a university student is randomly selected, what is the probability that one is a full-load student and working part-time? [2] Define event A as: university students taking five or more classes (or being full-load students). Define...
Random survey of 70 employees shows that 36 of them are interested in taking advantage of...
Random survey of 70 employees shows that 36 of them are interested in taking advantage of the new company Credit Union. Test the claim that more than 44% of employees will take advantage of a new company Credit Union using α = 0.05.  show work State the null and alternate hypotheses for this test. Find the significance level and p-value for this test. Show work. Using the p-value method make a decision about the null hypothesis. Explain Suppose someone else tested...
A survey of Ohio University students was conducted to determine if there was a particular ‘Green’...
A survey of Ohio University students was conducted to determine if there was a particular ‘Green’ that was desired by students to live on. A sample of 120 students responses are reproduced below. Do students prefer a particular ‘Green’? Use critical value = 5.99. West Green South Green East Green 40 20 60 Q1: What are the expected values? Q2: What is the calculated chi-squared value? Q3: Was there a significant preference for where students live? A. Yes B. No
survey of the MBA students at a university in the United States classified the country of...
survey of the MBA students at a university in the United States classified the country of origin of the students as seen in the table. Two-year MBA Evening MBA Total Asia 31 33 64 Europe 5 0 5 Latin America 20 1 21 Middle East 5 5 10 North America 103 65 168 Total 164 104 268 What percent of all MBA students were from North America? What percent of the Two-year MBA students were from North America? What percent...
A survey sent to 483 university students found 597 of these students admitted to texting during...
A survey sent to 483 university students found 597 of these students admitted to texting during class. Construct a 99% confidence interval for the proportion of all university students who text during class.
Breakport University wishes to determine the percentage of students who will be taking courses during the...
Breakport University wishes to determine the percentage of students who will be taking courses during the summer. How many students must they ask to estimate the percentage with 99% confidence of being within 5 percentage points of the true value?
The Business department of a college desires to survey a sample of students taking business statistics....
The Business department of a college desires to survey a sample of students taking business statistics. The department is offering 30 classes of business statistics, similar in class size with a total of 1,200 students. They would like the sample size to be roughly 10% of the population of the business statistics students this semester. Describe how might the department obtain a sample using simple random sampling, stratified sampling, and cluster sampling.
A study is conducted for students taking a statistics class.  Several variables are recorded in the survey.  The...
A study is conducted for students taking a statistics class.  Several variables are recorded in the survey.  The 300 students were asked what type of car the student owns, the number of credit hours taken during that semester, the time the student waited in line at the bookstore to pay for his/her textbooks, and the home state of the students.   1. Which of the following plots would be appropriate to graph the home states of the students? bar graph, histogram, scatter plot,...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT