A study has been done to determine whether or not a certain drug leads to an improvement in symptoms for patients with a particular medical condition. The results are shown in the following table. What is the probability that a patient shows improvement if it is known that the patient was given the drug? * Improvement No Improvement Total Drug No Drug 270 530 800 120 280 400 Total 390 810 1200 O 2/3 O 27/80 O 53/800 O 3/10

A study has been done to determine whether or not a certain drug leads to an improvement in symptoms for patients with a particular medical condition. The results are shown in the following table. What is the probability that a patient shows improvement if it is known that the patient was given the drug? * Improvement No Improvement Total Drug No Drug 270 530 800 120 280 400 Total 390 810 1200 O 2/3 O 27/80 O 53/800 O 3/10

Name: A study has been done to determine whether ornot a certain drug leads
Uploaded: 2024-03-20T07:06:41.000Z
Channel: Bartleby
Description: A study has been done to determine whether ornot a certain drug leads to an improvement insymptoms for patients with a particular medicalcondition. The results are shown in the followingtable. What is the probability that a patientshows improvement

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

Observations of a river that is subject to flooding have been carried out over a 100 year period. The number of floods that have occurred per year are given in the following table. Number of years 30 35 22 10 0 Number of floods 0 1 2 3 4 Determine the probability of flooding for the next fifty years.
The figure below represents the data from Table 3.6 in the book. It summarizes the lengths of hospital stays (days) for a sample 25 patients. Duration of hospitalization (days) 10 9 9. 8. 4. 3. 2. 06-10 11-15 16-20 >20 01-05 What is the probability that someone,stayed in the hospital 6 days or more? 64% 36% 72% None of these choices are correct. O O 0 O
The following table represents the highest educational attainment of all adult residents in a certain town. If an adult is chosen randomly from the town, what is the probability that they have a high school degree or some college, but have no college degree? Round your answer to the nearest thousandth. High school only Some college Bachelor's degree Master's degree Total Age 20-29 Age 30-39 Age 40-49 Age 50 & over 1346 278 1866 2069 1640 1143 6198 1060 1471 1676 433 4640 1531 640 456 2905 2504 1966 887 7223 Total 4550 7575 5922 2919 20966
An investment analyst collects data on stocks and notes whether or not dividend were paid and whether or not the stocks increased in price over a given period. Data are presented in the following table: Price Increase No Price Increase Dividends paid 40 75 No dividends paid 87 48 Given that a stock increased in price, what is the probability that it also paid dividends?
_______________ is the probability of an outcome on one variable (e.g., survival vs. death) given a score for another variable (e.g., whether the person owns a dog or not), whereas, ____________ is the overall probability of some outcome (such as survival vs. death) for the entire sample, ignoring membership on any other categorical variables.
Chuck works at the BuyMore where people can bring in broken computers. When a customer enters the store there is a good chance he will not be paid anything from helping them. But sometimes there is a chance he will be paid to work on their computer. The probability of each amount from a random customer is given in the following table: Job payment $13 $90 $300 $1,400 Probaiblity 0.39 0.1 0.06 0.01 When the next person walks into the BuyMore, how much money can Chuck expect to get from them on average?Answer to two decimals What is the probability he will get less than $160 from a random customer?Answer to four decimals What is the standard deviation for the payments from the customers?Answer to two decimals What is the median job payment amount?Answer to two decimals
At a particular college 19 percent of the students major in business. All business majors are required to take a statistics course. Of the students not majoring in business, 31 percent of them still have to take a statistics course. What is the probability that a student has to take a statistics course at this particular college? Type your answer as a decimal to 4 decimal places.
Please help.
The following table shows the distribution of BMI in children living in United States and European urban neighborhoods. (The data are in millions.) What is the probability that a child living in a U.S. urban neighborhood is overweight? Neighborhood Normal Weight Overweight Obese United States 125 50 40 Europe 101 42 21
According to the recent report, scientists in New England say they have identified a set of genetic variants that predicts extreme longevity with 77% accuracy. Assume 150 patients decide to get their genome sequenced. If the claim by scientists is accurate, what is the probability that fewer than 70% of the patientswill get a correct diagnosis for extreme longevity? Group of answer choices A. 0.1422 B. 0.0722 C. 0.2214 D. 0.0208
The table below shows the number of deaths in the U.S. in a year due to a variety of causes. For these questions,assume these values are not changing from year to year, and that the population of the United States is 312 millionpeople. Cause of Death in US Cause Number of deaths Passenger car occupant 13,100 Motorcycle driver 4,500 Tornado 553 Skydiving 56 What is the probability that you died as a passenger car occupant last year?
The overnight shipping business has skyrocketed in the last ten years. The single greatest predictor of a company's success has been proven time and again to be customer service. A study was conducted to study the customer satisfaction levels for one overnight shipping business. In addition to the customer's satisfaction level, the customers were asked how often they used overnight shipping. The results are shown below in the following table. What is the probability that a respondent did not have a high level of satisfaction with the company? Round the the nearest hundredth. Frequency of Us High medium Low total < 2 per month 250 140 10 400 2 - 5 per month 140 55 5 200 > 5 per month 70 25 5 100 TOTAL 460 220 20 700