2. Sample space contains 5 red balls, 7 green balls, 10 blue balls and2 yellow balls.a) What is the probability of selecting a green ball?b) Green or yellow?c) Red then yellow with replacement?d) Green then blue without replacement?e) Red and Blue without replacement? (Hint: order not specified)f) Red then green ball or blue then yellow ball with replacement?

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Answered: 2. Sample space contains 5 red balls, 7…

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...

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A bag contains 4 orange balls, 7 green balls, and 6 purple balls. You reach in the bag and select one ball: Show work and explain your answers. a ) What is the probability of drawing a ball that is orange or purple? b) What is the probability of drawing a ball that is black?
50 pieces are assembled randomly in the assembly of a machine consisting of 200 parts. What is the probability of selection with 2 errors assembly piece? A) 0,076 B) 0,432 C) 0,096 D) 0,05 E) 0,024
28. A box contains 5 green, 3 blue, and 2 yellow marbles. Two marbles are chosen at random, without replacement. What is the probability that: a) the second one chosen is blue given the first is yellow? b) the second one chosen is green given the first is green? c) both are the same color? d) a green or a yellow is chosen? e) no yellow is chosen?
1,000 people were sampled to pick a card which contained a color and symbol. 350 people in total picked a card that was blue. 223 people in total picked a card with a star. 161 people chose card that was both blue and had a star on it. a) what is the probability that a person randomly chose a blue card? b) what is the probability that a person randomly chose a card that was both blue and had a star on it? c) what is the probability that a person randomly chose a card that was either blue or had a star on it?
10. Every day the average number of wrong numbers received by a certain mail-order house is two.What is the probability that this house receives a) 3 wrong calls tomorrow? b) At least 1 wrong call tomorrow?
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5) In a box there are 10 red, 5 blue, and 5 green balls. Three balls are selected at random one by one with replacement. If X is the number of blue balls, a) Construct a probability distribution for X. b) Find the mean for X.
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2. Sample space contains 5 red balls, 7 green balls, 10 blue balls and 2 yellow balls. a) What is the probability of selecting a green ball? b) Green or yellow? c) Red then yellow with replacement? d) Green then blue without renlacement?