. In the past few years, outsourcing overseas has become more frequently used than ever before by U.S. companies. However, outsourcing is not without problems. A recent survey by Purchasing magazine indicates that 20% of the companies that outsource overseas use a consultant. Suppose 15 companies that outsource overseas are randomly selected. What is the probability that more than eleven companies that outsource overseas use a consultant? Round your answer to 3 decimal places when calculating using Table A.2.

. In the past few years, outsourcing overseas has become more frequently used than ever before by U.S. companies. However, outsourcing is not without problems. A recent survey by Purchasing magazine indicates that 20% of the companies that outsource overseas use a consultant. Suppose 15 companies that outsource overseas are randomly selected. What is the probability that more than eleven companies that outsource overseas use a consultant? Round your answer to 3 decimal places when calculating using Table A.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

Similar questions

5. A study conducted by Pew Research Center reported that 58% of cell phones owners used their phones inside a store for guidance on purchasing decisions. A sample of 20 cell phone owners is studied. What is the probability that more than 72% use their phones inside a store for guidance on purchasing decisions? Include the calculator function & values you used to compute the answer. (Round to 3 decimals)
Suppose a large shipment of laptop computers contained 12% defectives. If a sample of size 286 is selected, what is the probability that the sample proportion will be less than 7% ? Round your answer to four decimal places.
Jenny works for a local brewing company. She and her team mates try to estimate the Hong Kong consumers’ preference on their beer brand compared to other imported ones. They performed a survey asking if the respondent prefers the company’s brand the most or not. Based on this survey result, they want to decide how much money the company needs to invest on brand promotions in the coming year. This is an important decision for the company, and the management wants to have the probability that the sample proportion p is +/- 3% from the actual proportion p to be very high (i.e., at least 99%). In this case, what is the desirable sample size n for the following two cases? Give the answer in the form of: at least ___ x100 samples. Case i. When the actual proportion is 50%. Case ii. When the actual proportion is 10%. Explain why the sample sizes required to achieve the same accuracy in the two cases are different.
candy industries take random samples from their inventory and sort by flavor. daycare center samples a number of those they take care of and sort by how often they cry during a day visit. If you randomly select a candy from the candy sample and a child in daycare from the daycare sample, what is the probability that you'd pick a grape taffy and a child who cries more than twenty times a day?
Suppose 49% of the registered voters in a country are Republican. If a sample of 701 voters is selected, what is the probability that the sample proportion of Republicans will differ from the population proportion by greater than 4%? Round your answer to four decimal places.
You are analysing a factory. Stage 3 of the manufacturing process has a 45% chance of finishing on time. If it does finish on time, the chance of Stage 4 finishing late is 20%. The overall chance of Stage 4 finishing on time is 71.2%. What is the chance that Stage 4 finishes late if Stage 3 finished late? Round your answer to 2 decimal places.
According to the U.S. Census Bureau, 18% of U.S. households are in the Northeast and about 5.6% of U.S.households in the Northeast earn more than $75,000 per year. Find the probability that a randomly selected U.S. household is in the Northeast and earns more than $75,000 per year. Round your answer to three decimal places.
Name the method of estimating probabilities based on experience or institution.
8. fast please Recently, a nurse commented that when a patient calls the medical advice line claiming to have the flu, the chance that he or she truly has the flu (and not just a nasty cold) is only about 4%. Of the next 25 patients calling in claiming to have the flu, we are interested in how many actually have the flu.On average, for every 25 patients calling in, how many do you expect to have the flu? (Enter your answer as a whole number.)
2. Wallace figures his chances of getting a new car for graduation at 70% if he graduates as class valedictorian. He only has about a 25% chance of getting a new car if he graduates 2nd or lower. He estimates his chances of being valedictorian at 50/50. What is the likelihood that Wallace will get a new car?
According to the information that comes with a certain prescription drug, when taking this drug, there is a 25% chance of experiencing nausea (N) and a 40% chance of experiencing decreased sexual drive (D). The information also states that there is a 13% chance of experiencing both side effects. What is the probability of experiencing nausea or a decrease in sexual drive? Your answer should be rounded to 2 decimal places.