Answered: If a player randomly answer a five…

If a player randomly answer a five questionnaires with five possible choices on a each question, find the probability that the player gets: exactly three correct answers. P(X=2)

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

See similar textbooks

Related questions

Q: In January 2003, the American worker spent an average of 77 hours logged on to the internet while at…

Q: If one student is chosen at random from those who took the test, Find the probability that the…

A: It is given that the grades and gender of a group of students is given in the table.

Q: Belief in UFOs A survey found that 5% of people believe that they have seen a UFO. Choose a sample…

A: Given that a survey found that 5% of people believe that they have seen a UFO. Probability, p = 5% =…

Q: Giving a test to a group of students, the grades and gender are summarized below Grades vs. Gender A…

Q: GED: In a certain high school, the probability that a student drops out is 0.03, and the probability…

A: Let D=a students drops out G= a students get GEDgiven,P(D)=0.03P(G|D)=0.32

Q: find the probability distribution of X.

A: It is given that Total television sets = 7 Defective sets = 2

Q: Survey on Answering Machine Ownership In a survey, 63% of Americans said they own an answering…

A: Suppose a random variable X, defines that the number of Americans own an answering machine.

Q: If a typist makes erTrors at random at a mean rate of 4 per page, then the probability of making at…

Q: If a tire plant is not causing cancer, then we can expect u = 3 cancer deaths over a 20-year period.…

A: We have to use Poisson distribution. Poisson distribution : Poisson random variable defines number…

Q: Belief in UFOs A survey found that 20% of people believe that they have seen a UFO. Choose a sample…

A: X : No. of peoples, who believe that they have seen a UFO p=Probability of people who believe that…

Q: Use the probability distribution to complete parts (a) through (d) below. The probability…

A: The given probability distribution for the number of televisions per household in a small town is as…

Q: Use the probability distribution to complete parts (a) through (d) below. The probability…

Q: (a) n = 5, X1 = 1. X,= 2, X3= 2, P1= 0.1, p,= 0.2. p3 = 0.7 The probability for the given…

Q: A particular lake is known to be one of the best places to catch a certain type of fish. In this…

A: Since, you have you have posted a question with multiple subparts we will solve first three subparts…

Q: Notation Assume that we want to find the probability that when five consumers are randomly selected,…

A: From the information, five consumers are randomly selected, 42% of consumers are comfortable with…

Q: Giving a test to a group of students, the grades and gender are summarized below A B C Total Male…

A: We have given that Giving a test to a group of students, the grades and gender are summarized below…

Q: A coin is tossed and a die is rolled. The probability of getting a tail on the coin and an even…

A: coin and dice is rolled

Q: robability the question is in the image

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

Q: It is estimated that 70% of the students attending a school in a rural area, take the bus to school.…

A: Here given, It is estimated that 70% of the students attending a school in a rural area, take the…

Q: Construct a probability distribution table if we let X the random variable be the number of boys in…

Q: 30% of all college students major in STEM (Science, Technology, Engineering, and Math). If 30…

A: given data, p(major in STEM)=p=0.30q=1-p=1-0.30=0.70n=30x= no. of major in STEM P(X=x)=nCx*px*qn-x…

Q: (a) A red card P (red card) = %3D

A: Total number of cards in a deck = 52 Number of red cards = 26

Q: Construct a probability distribution Answer here:

Q: P<X63

A: Let a Mail order company has an 11 % success rate. that is p=0.11 and If it mails advertisements to…

Q: A particular lake is known to be one of the best places to catch a certain type of fish. In this…

A: A particular lake is known to be one of the best places to catch a certain type of fish. In this…

Q: Find the probability and interpret the results. If convenient, use technology to find the…

A: Given data ,n=43μ=65,500σ=6200P(X<62000)=?

Q: Assume that when adults with smartphones are randomly selected, 53% use them in meetings or classes.…

A: Let the random variable X denote the no. of adult Smartphone users in a meetings or classes and it…

Q: Use the probability distribution to complete parts (a) through (d) below. The probability…

A: Given that, The probability distribution of number of televisions per household in a small town…

Q: You randomly select a marble. Find the probability (in percent) of selecting a blue marble given…

Q: Click the icon to view the table. a survey participant is selected at random, what is the…

A: Given A university conducted a survey of 380 undergraduate students regarding satisfaction with…

Q: The probability distribution of number of televisions per household in a small town x 0 1 2 3…

A: In question, Given the The probability distribution of number of televisions per household in a…

Q: Belief in UFOS A survey found that 20% of people believe that they have seen a UFO. Choose a sample…

A: Given,n=11p=0.20q=1-p=1-0.20=0.80Let X=no.of people who believe that they haveseen a…

Q: K Assume that when adults with smartphones are randomly selected, 52% use them in meetings or…

A: According to the given information in this question We need to find the following probability

Q: Giving a test to a group of students, the grades and gender are summarized below A B C Total…

A: Given See the handwritten solution

Q: A Statistics student was asked to solve the problem below. See the student’s attempt at the question…

A: Consider X be a random variable which follows Poisson distribution indicates the number of accidents…

Q: ces S in Tools A census collected data on everyone that lived who has four children. Its probability…

A: Given that Probability distribution. X 0 1 2 3 4 P(X=x) 0.0857 0.2447 0.3208 0.2415 0.1073

Q: At a raffle, 1,000 tickets are sold at $5 each for three prizes valued at $800, $400, and $200. What…

A: Measure of central tendency are used for description of the data set. The mean is the sum of all the…

Q: When conducting research on color blindness in males, a researcher forms random groups with five…

Q: Grade Frequency A 5 B 9 C 9 D 7 F 5 Refer to the table. Given that receiving at least a…

A: Explanation: Grade A B C D F Frequency 5 9 9 7 5 It is given that receiving at least a C…

Q: Job Elimination In the past year, 13% of businesses have eliminated jobs. If 8 businesses are…

A: Given that, 13% of businesses have eliminated jobs. Sample size, n = 8

Question

Discrete Probability Distributions

If a player randomly answer a five questionnaires with five possible choices on a each question, find the probability that the player gets:
1. exactly three correct answers.
2. P(X=2)

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Similar questions

Rolling Two Dice If two dice are rolled one time, find the probability of getting these results: a. A sum of 5 b. A sum of 9 or 10 c. Doubles
Mail Order A mail order company has a 6% success rate. If it mails advertisements to 628 people, find the probability of getting less than 33 sales. Round --value calculations to 2 decimal places and final answer to at least 4 decimal places. P(X<33) =
A charity organization hosts a raffle drawing at a fund raising event. The organization sells 2500 tickets at a price of $8 each. Winning tickets are randomly selected, with 30 prizes of $100, 10 prizes of $500, and 1 grand prize of $8000. Suppose you buy one ticket. Let the random variable X represent your net gain from playing the game once ( net gain should include the cost of the ticket).
P(35<x<37) 50 murders surveyed 0.61% of the murders were cleared The probability that between 35 and 37 murders inclusive were cleared.
Answer ?
Job Elimination In the past year, 13% of businesses have eliminated jobs. If 6 businesses are selected at random, find the probability that at least 3 have eliminated jobs during the last year. Round the answer to at least four decimal places. P(at least 3 have eliminated jobs during the last year)=
Giving a test to a group of students, the grades and gender are summarized below Grades vs. Gender A B|C 4 | 19 Male 20 Female 5 16 2 If one student was chosen at random, find the probability that the student was female. Probability = decimal places) (Round to 4
Destination Weddings Twenty-six percent of couples who plan to marry this year are planning destination weddings. Assume the variable is binomial. In a random sample of 13 couples who plan to marry, find the probability of the following. Round the answers to at least four decimal places. Part: 0/3 Part 1 of 3 (a) Fewer than 5 couples will have a destination wedding P(fewer than 5 couples will have a destination wedding) =
Question Telephone calls enter a college switchboard on the average of two every three minutes. The probability that 5 or more calls arriving in a 6-minute period is equal: 0.9004 O 0.564 O 0.371 0.715
Two cards are selected from a standard deck of 52 playing cards. The first card is not replaced before the second card is selected. Find the probability of selecting a seven and then selecting a four. The probability of selecting a seven and then selecting a four is (Round to three decimal places as needed.) an example # 3 E Ask my instructor 80 F3 D I C $ 4 a F4 R F V % 5 S T G 6 B MacBook Air F6 Y H v lo & 7 N ← F7 U * J 00 8 DII I M - ( 9 K DD FO O V- H 96 ) O L F10 P ^. Clear all - : ; F11 { command option [ + = ? Check answer F12 11 T 1 } ] delete L