From a batch of bushings made per shift by a turner, 10 pieces are randomly selected for control. Find the probability that among the selected bushings two are of the second grade, if there are 25 bushings of the first grade and 5 of the second grade throughout the lot. (answer: 0.3601)

From a batch of bushings made per shift by a turner, 10 pieces are randomly selected for control. Find the probability that among the selected bushings two are of the second grade, if there are 25 bushings of the first grade and 5 of the second grade throughout the lot. (answer: 0.3601)

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: Find the probability for one roll of an ordinary 6-sided die. 1. P(4 or 5) = 2. P(4 or even) =

A: The total possible outcomes on rolling an ordinary 6-sided die are 6 and are given by {1,2,3,4,5,6}…

Q: d. If 100 SAT scores are randomly selected, find the probability that they have a mean between 1400…

A: d. Z-score: The z score formula is, z=x¯-μx¯σx¯ In the formula, μx¯ is the population mean, σx¯ is…

Q: Identify the population and sample. In a random sample of Hartnell students, 45 said they…

Q: The 52 cards in a deck are randomly and equally distributed among the four players of the card game.…

Q: 2. A card below is randomly selected. Find the probability of selecting a number less than 9.…

A: We have given that, Sample space ( 1, 2, 3, 4, 5, 7, 8, 9, 10) = 10 Then, We will find the…

Q: Illustration 16.70. Ten pairs of shoes are in a closest. Four shoes are selected at random. Find the…

Q: The probability of choosing a caramel from a certain bag of candy is 1/5 and the probability of…

Q: If 10 coins are tossed ,find the mean of the random variable X , if X is the number of heads that…

A: According to the given information, we have 10 coins are tossed. Let X be the number of heads…

Q: 8% of all Americans live in poverty. If 45 Americans are randomly selected, find the probability…

A: Note- Since you have posted a question with multiple sub-parts, we will solve the first three…

Q: The given table classifies auto accidents by survival status (S=survived, D = died) and seat belt…

Q: About 2% of the population has a particular genetic mutation. 600 people are randomly selecte Find…

A: Given data,p=2%=0.02n=600Mean=?

Q: 3.1 3.2 Determine the probability of spotting a zebra first out of all the animals. Give the answer…

A: Given data: Number of Giraffes: 6. Number of Zebra's: 10. Number of Elephants: 4. Number of Tigers:…

Q: A. Find the probability of randomly selecting a student who spent the money, given that the student…

Q: 1. A coach has 6 players that will join track and field. The random variable that is being studied…

A: Given, X is count of winning players. X 1 2 3 4 5 6 f(x)=P[X=x] 0.40 0.24 0.19 0.1 0.05 0.02

Q: You roll a fair die four times. What is the probability that you roll at least one 3? O A. 1 O B.…

A: Required probability = 1- 0.83333*0.833333*0.833333*0.833333 = 0.518 Correct answer is (E).…

Q: 57% of all the town's residents own a dog and 63% own a cat. Of the dog owners 47% also own a cat.…

A: Given that, 57% of all the town's residents own a dog and 63% own a cat. Of the dog owners 47% also…

Q: Determine the following if 2 coins are tossed with possible outcomes of heads and tails. What is the…

Q: Read the following and answer the questions. Traffic department wants to know if automobile…

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…

Q: For items 15-18. A bag contains 7 white balls, 3 red balls and 2 black balls. A ball is picked from…

A: In this question we have to solve question based on the probability. We know, Probability of event…

Q: H.W3: A fair dice is thrown; find the amount of information gained if you are told that no. 4 will…

A: Given problem Given that A fair dice is thrown. We have to find the amount of information…

Q: 59% of all the town's residents own a dog and 61% own a cat. Of the dog owners 42% also own a cat.…

A: 59% of all the town's residents own a dog 61% own a cat. Of the dog owners 42% also own a cat.

Q: ad. 11. We place four numbered balls randomly in the four drawers of the chest of drawers. Calculate…

A: Introduction - Probability =Number of favorable outcomesTotal number of outcomesCombination…

Q: The property manager for an apartment building wants to see which pizza delivery company delivers to…

A: Sampling is a technique which is used to take the sample from the population. Sampling has broadly…

Q: Read the following and answer the questions. Traffic department wants to know if automobile…

A: Hi! Thank you for posting the question. Since your question has more than three sub-parts, we have…

Q: Write your answer as a fraction reduced to lowest terms and as a percent rounded to the nearest…

A: When a coin is tossed then there are 2 possible outcomes.The probability of tossing a coin and it…

Q: 59% of all the town's residents own a dog and 63% own a cat. Of the dog owners 45% also own a cat.…

Q: 59% of all the town's residents own a dog and 65% own a cat. Of the dog owners 42% also own a cat.…

A: Given Information Probability of Dog owners P(D) = 0.59 Probability of Cat owners P(C) = 0.65…

Q: 61% of all students at a college still need to take another math class. If 4 students are randomly…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: 1. How are the collection of all sample proportions of samples of size 172 distributed? NO 2. What…

A: Given Information: Sample size (n) = 172 studentsPopulation Proportion (p) = 0.51. The distribution…

Q: For biased coins, the probability of getting 5 heads out of a toss of 5 coins equals the probability…

Q: 38. A jar contains 6 red balls, 5 green balls, and 4 blue balls. If a ball is chosen random, find…

Q: A tube of listerine tartar control toothpaste 4.2 ounces. As people use the toothpaste the amount…

Q: There are 6 black and 10 white balls in a box. If three balls are drawn one after another at random…

Q: In an original group, the probability of choosing a girl from that group was 1/3 When 1more girl…

A: Consider a number of boys are x and the number of girls are y and solve it by using given…

Question

2.3. From a batch of bushings made per shift by a turner, 10 pieces are randomly selected for control. Find the probability that among the selected bushings two are of the second grade, if there are 25 bushings of the first grade and 5 of the second grade throughout the lot. (answer: 0.3601)

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 with 1 images

SEE SOLUTION Check out a sample Q&A here

Similar questions

Find the weighted mean of four test results, 65, 89, 105 and 101, where the first test counts 22%, the second 32%, the third counts 17 % and the fourth counts 29%.
Find the probability of getting 6 face cards (king, queen, or jack) when 6 cards are drawn from a deck without replacement. Enter your answer as a fraction. P(6 face cards) =||
Que. 7 A bag contains three green, four blue and two orange marbles. If a marble is picked at random, then the probability that it is not an orange marble, is a. b. 1/4 1/3 C. 4/9 d. 7/9
About 5% of the population own a Playstation. 400 people are randomly selected.Find the mean for the number of people with a Playstation in groups of 400.
Solve (a) to (e)
A group of 10 students participate in chess club, karate club, or neither. Let event A = The student is in karate club. Let event B = The student is in chess club. KARATE Wally Xander CHESS CLUB CLUB Yolanda Viki Zoe Rob Sam Quin Tuan Uyen
Determine whether each sample is a random sample or a biased sample. Explain. 1. Carlos chooses 50 movies at random from a list of all his movies to determine the average runtime of the movies in his collection.
Students randomly receive 1 of 4 versions (A, B, C, D) of a math test. What is the probability that at least 3 of the 5 students tested will get version A of the test? Express your answer as a percent, and round to the nearest tenth. a. 10.4% с. 8.8% b. 1.6% d. 74.7%
Illustration 16.47. A total of 100 people was surveyed. 60 of them were smokers- 40 being male and 20 being female. 40 of them were non-smokers –10 being male and 30 being female. What is the prob- ability of picking up a male given he is a smoker? Also calculate the probability of picking up a non-smoker given she is a female.
Q1: Fourteen concrete columns had been poured and the length of the columns were (in cm): 99, 98, 96, 92, 89, 112, 107, 106, 104, 102, 101, 99, 101, 94 a. Find frequency table. b. Draw histogram and polygon. Draw cumulative frequency. d. Find the probability of a column length less than 98.5 cm. e. Find the probability of a column length equal to 93 cm. с.
Determine whether the value is a discrete random variable, continuous random variable, or not a random variable. a. The square footage of a house b. The weight of a T-bone steak c. The gender of college students d. The exact time it takes to evaluate 27+72 e. The number of light bulbs that burn out in the next week in a room with 10 bulbs f. The time required to download a file from the Internet
Answer letter a to c.