Of the patients in a hospital, 20% of those with, and 45% of those without myocardial infarction have had strokes. If 30% of the patients have had strokes, what portion ofthe patients have had myocardial infarction? Answer: |

Let's assume the total number of patients in the hospital is represented as P. Let the number of…

Answered: Of the patients in a hospital, 20% of…

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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Similar questions

B. A statistics professor administered an exam to three different classes. The 8:00 class had 20 students and an average score of 82.4. The 9:00 class had 24 students and an average of 78.9. The 29 students in the 10:00 class had an average of 87.3. Calculate the òverall average for all three classes combined.
If a coin is flipped 225 times and the number of Hs is 75. Compute the proportion of Hs. Round to three places.
please give the answer of "a"
Approximately 19% of music lovers like Country Music. Of those who do, 97% do not have mild brain damage.What percent of music lovers like Country and do not have Brain Damage?
A statistics class is made up of 12 men and 18 women. What percentage of the class is male?
In an opinion poll, 715 or 63% of people interviewed were opposed to the issue asked. How many people were interviewed?
Of all the species in the world, 4 out of every 5 are insects. What percentage of species are insects? |%
A hospital report indicates 25% of its patients had an MRI in January. If 1,060 patients were hospitalized in January, how many had an MRI?
Psychologists have been investigating the differences between people with at least one brother or sister and those with none. In a letter to the New England Jounal of Medicine, researchers announced the results of a survey of 472 adults in Buffalo, New York. The experiment recorded whether the respondent suffered from hypertension and whether she or he had siblings. The data were summarized as shown bellow; SIBLING NO SIBLING TOTAL Suffer from hypertention 79 39 118 Do not suffer from hypertension 262 92 354 TOTAL 341 131 472 REQUIRED Do these data allow us to conclude at the 5% significance level that adults with no siblings suffer different rates of hypertension than those with siblings?
Texting while driving has become a national focus now that cell phones are ubiquitous and texting while driving results in ever-increasing injuries and deaths. According to 2013 study, 44.5% of US Teenage drivers text while driving. You want to see how Gainesville teenage drivers compare to national teens. You randomly select 300 local high school students (ages 16-19) and ask if they have texted while driving within the past 30 days. The data is recorded in the table. Yes No 142 158 Find a 95% confidence interval for the percentage of teenage drivers who text while driving. Then explain what the confidence interval means in this context.

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