Question: Three students answer a true-false question on a test randomly. A random variable x represents the number of answers of true among the three students,

Three students answer a true-false question on a test randomly. A random variable x represents the number of answers of true among the three students, taking on the value 0, 1, 2, or 3.

(a) Find the frequency distribution for x.

(b) Find the probability distribution for x.

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

15. [-/1 Points] DETAILS LARCAAPCALC2 16.3.002. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Three students answer a true-false question on an examination. A random variable assigns the number 0, 1, 2,...

There are two different point of view of probability: a frequentist and a Bayesian point of view. Select all statement(s) that is(are) true. Group of answer choices In public health problem, we only...

xxcgvb Question 8 A survey was conducted to measure the number of hours per week adults in the United States spend on their computers. In the survey. the numbers of hours were normally distributed,...

1of 50 When conducting research, descriptive statistics are completed before inferential statistics. True False Question 2of 50 If you are doing a study on the amount of money students have in debt...

Applications | RapidIdentity x _ Quizzes 2 * *Course Hero X + X - > C A...

Question 11 5 pts The contingency table below shows the relationship between the gender of survey participants and their political party affiliation from a survey of 802 adults in Minnesota. Define...

below. In an experiment, college students were given either four quarters or a $1 bill and they could either keep the money or spend it on gum. The results are summarized in the table. Complete parts...

The mean age of De Anza College students in a previous term was 26.6 years old. An instructor thinks the mean age for online students is older than 26.6. She randomly surveys 58 online students and...

uiz 2 Each question is worth 1 point. Don't leave anything blank. I can always find a way to give you some credit if you've made an attempt. Be sure to post any questions you have after the answers...

Need help please in this homework Homework: Online Assignment #7 . . . . . Save Discrete distributions and Bi Score: 0 of 1 pt 4 7 of 40 (37 complete) v b M Score: 79.7%, 31.88... 5.1 .21 Question...

USING ORACLE 1. Create a table for this activity 2. Within the Employees table, each manager_id is the manager of one or more employees who each have a job_id and earn a salary. For each manager,...

It had been a nancially tight year for the Grenoble Marketing Company. The company designed printed advertisements and television commercials for its clients. However, with a sagging business...

4 What is a present participle? Write a sentence beginning with a present participle verb.

Determining the reasons for variances is an important part of the overall process of variance analysis. Certain causes are commonly attributed to specific variances. Match each reason on the left...