Q/ lamp a two factories manufacture electric bulba 7% of the bulbsfrom factory (A) and 10% from factory (B) are defective factory (Bproduce three times as many bulbs as factory (A) each weak.a bulbs is.chosen at random aweeks production- What is the probability that the bulbs indefective- If the bulbs is defective, What is the probability that it came fromactory (A)

Given,The factory (B) produce three times as many bulbs as factory (A) each weak.

Answered: Q/ lamp a two factories manufacture…

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 of 30 tulip bulbs contains 11 red tulip bulbs, 10 yellow tulip bulbs, and 9 purple tulip bulbs. Suppose two tulip bulbs are randomly selected without replacement from the bag. (a) What is the probability that the two randomly selected tulip bulbs are both red? (b) What is the probability that the first bulb selected is red and the second yellow? (c) What is the probability that the first bulb selected is yellow and the second red? (d) What is the probability that one bulb is red and the other yellow? (a) The probability that both bulbs are red is nothing .
Name LESSON 9-1 Date Measures of Center and Spread Practice and Problem Solving: C The data sets below show the price that a homeowner paid, per therm, for natural gas during each of the first ten months of 2011 and 2012. Use the data for 1-4. 2011: $1.59, $1.72, $1.71, $1.86, $2.32, $2.54, $2.45, $2.80, $2.38, $2.25 2012: $1.57, $1.61, $1.96, $1.71, $1.98, $2.17, $2.51, $2.44, $2.52, $2.10 1. Find the mean, median, range, and interquartile range for 2011. 2. Find the mean, median, range, and interquartile range for 2012. 3. Find the standard deviation for each year. Round to the nearest hundredth. 4. Use your statistics to compare the overall trend in prices for the two years. 6. A. B. an Solve. 5. To earn an exemption from the final exam, Aaron needs his mean test score to be 92 or greater. If Aaron scored 90, 96, 87, and 90 on the first four tests and he has one test still to take, what is the lowest he can score and still earn an exemption? Class 1 me B
QI\ A/ An instructor gives her class a set of 14 problems with the information that the final exam will consist of a random selection of 7 of them. If a student has figured out how to do 9 of the problems, what is the probability that he or she will answer correctly: (a) all 7 problems? (b) at least 6 of the problems? (C) at least 5 of the problems? Q1\ B/ A coin is flipped twice. Assuming that all four points in the sample space are equally likely, what is the conditional probability that both flips land on heads, Find the following: (a) the first flip lands on heads? (b) at least one flip lands on heads?
A veterinarian wants to estimate the mean weight of a cat in their city. They take a random sample of 19 cats and found a mean of 10.9 lbs with a sample standard deviation of 1 lbs. Find the 95% confidence interval of the mean. Assume that the cat weights are normally distributed. Do not round in between steps. Round answers to at least 4 decimal places. < Select an answer <
***PLEASE TYPE*** 3.) A rat has to choose between 6 doors, one of which contains chocolate. If the rat chooses the wrong door, it is returned to the starting point and chooses again, and continues until it gets the chocolate. Let X be the serial number of the trial on which the chocolate is found. (a) Find the probability function of X. (b) What is the expectation of X?
Research has shown that 55% of new Small Medium Enterprises (SME's) are started by graduates while 45% are started by non-graduates. It is also known that 70% of SMEs started by graduates are successful i.e. they survive beyond 3 years, while only 10% of those started by non-graduates are successful. Required: If it is known that a new SME is not successful, what is the probability that it was not started by a graduate?
11. At a particular lake 4% of the fish have a disease which causes food poisoning. You go to the lake one day and catch 6 fish. Assume each fish in the lake has an equal chance of being caught. You eat all the fish you catch. What is the probability you get food poisoning? (a) 0.204 (b) 0.217 (c) 0.229 (d) 0.242
Data from medical records show that 60% of adults will develop a hiatus hernia which is the protrusion of theupper stomach through an opening in the diaphragm. A random group of 6 adults is selected. 1)What is the probability that exactly 3 out of these 6 will develop a hiatus hernia? 2)What is the probability that at least 2 out of these 6 adults will develop a hiatus hernia?
Suppose an online shop is selling 10 scientific calculators but the seller is unaware that 2 of these calculators are defective. Suppose you buy 3 scientific calculators from this shop, determine the (a) probability distribution (tabulate) and the (b) cumulative distribution of the random variable X representing the number of the scientific calculators that are defective. and what is the probability that all calculators bought from the shop are functioning properly and what if only 1 calculator is functioning properly
At a factory that produces pistons for cars, Machine 1 produced 357 satisfactory pistons and 343 unsatisfactory pistons today. Machine 2 produced 414satisfactory pistons and 276 unsatisfactory pistons today. Suppose that one piston from Machine 1 and one piston from Machine 2 are chosen at random fromtoday's batch. What is the probability that the piston chosen from Machine 1 is unsatisfactory and the piston chosen from Machine 2 is satisfactory?Do not round your answer.
Concrete cubes tested under pressure test and water absorption test 20% filled in test. 12% filled in absorption test and 8% in both find the 1 probability if it is good in pressure to be bad in absorption test. 2 probability if it is bad in pressure to be good in absorption test 3 probability if it is good in absorption test to be good in pressure test
According to the table what is the probability that a person with leprosy is from a high income country?

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