12 - Suppose there are 12 pieces in a box, 4 of which are defective and 8 are flawless. If 3 pieces were taken from among these pieces without returning, what is the probability that it would not be perfect at all? A) 3.2% B) 21.82% C) 4,8% D) 1,82% TO) 51.12%

12 - Suppose there are 12 pieces in a box, 4 of which are defective and 8 are flawless. If 3 pieces were taken from among these pieces without returning, what is the probability that it would not be perfect at all? A) 3.2% B) 21.82% C) 4,8% D) 1,82% TO) 51.12%

Name: 12 - Suppose there are 12 pieces in a box, 4 of which are defective an
Uploaded: 2024-03-20T07:06:41.000Z
Channel: Bartleby
Description: 12 - Suppose there are 12 pieces in a box, 4 of which are defective and 8 are flawless. If 3 pieces were taken from among these pieces without returning, what is the probability that it would not be perfect at all?A)3.2%B)21.82%C)4,8%D)1,82%TO)51.12%

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

Similar questions

20- 15% of the products produced by a business are defective. If 10 of these products are taken, what is the probability that none of them will be defective? A) 0,1969 B) 0,6923 C) 0,1787 D) 0,9634 E) 0,5742
Suppose 40% of high schoolers say they play football. A random sample of 8 high school students is selected. What is the probability that exactly 2 of the 8 say they play football? A) .2090 b) .3154 c) .8936 d).6846
a) A box contains 18 batteries, out of which 5 are defective. If 3 fuses are selected at random from this box what is the probability that i. All 3 are defective ii. One of them is defective
Twenty subjects volunteer for a study of a new cold medicine. Eight of the volunteers are ages 20-39, 6 are ages 40-59, and 6 are age 60 or older. If 8 volunteers are selected at random, find the following probabilities. a) the probability that all the volunteers selected are ages 20-39 b) the probability that 4 of the volunteers are ages 20-39 and 4 are age 60 or older. c) the probability that 4 of the volunteers are ages 40-59
a). A girl is randomly picking flowers in a meadow for a bouquet. She will stop once she has picked 4 dandelions. Suppose that a randomly selected flower is a dandelion with probability 0.70. Find the probability that her bouquet will have exactly 8 flowers in total. b). An entomologist has a collection of 20 insect specimens: 5 are butterflies and 15 are moths. He randomly selects a sample of 6 specimens to study. Find the probability that the sample contains an equal number of butterflies and moths. 2
18 - In a study conducted among 100 randomly selected people over the age of 50; It was seen that 40 people had both a house and a car, 60 people had a house and 70 people had a car. What is the probability that a chosen person will own a house or a car, or both? a) 0.75 B) 0.80 NS) 0.90 D) 0.95 TO) 0.85
a survey conducted about 15% of the people having hearing trouble in texas.a sample of 111 people what is the probability that a t most 9% having hearing trouble.
Three balls are drawn one after the other from a bag containing 6 red balls, 5 yellow balls and 3 green balls. What is the probability that all three balls are yellow if the ball is replaced after each draw? A. 363/1127 B. 15/686 C. 125/2744 D. 30/1183
30. In the faculty parking lot, – of the vehicles are cars and the rest are trucks. Four sevenths of the trucks have bumper 3 stickers on them, while only one fifth of the cars have bumper stickers. If a vehicle from this lot is chosen at random, what is the probability that it a) does not have a bumper sticker given it is a car? b) is a car without a bumper sticker? c) has a bumper sticker?
b and c
By mistake six burned out light bulbs (B) have been mixed up with 4 good (G) ones. If a random sample of three is drawn, what is the probability a) that all will be good? b) at least 1 is burned out? c) at most 2 are burned out? d) Show the arithmetic of the probability that exactly 2 are good and 1 is bad.
Suppose that you draw two cards from a well-shuffled deck of 52 playing cards without replacement. What is the probability that the second card is red, given that the first card is red? A) 0.9615 B) 0.0682 C) 0.6123 D) 0.4902 E) 0.5088