Medical trail
In a medical trial, there were 80 patients. 44 received treatment A, 50 received treatment B, and 20 received both treatment A and treatment B. How many patients did not undergo any treatment?
Correct answer:
![](/img/4/venn.jpg)
You need to know the following knowledge to solve this word math problem:
Grade of the word problem:
Related math problems and questions:
- Medical
Medical Market's five cash registers showed the following cash receipts for Saturday: cash register ; 1. $3,497.22; ; 2. $2,259.86; ; 3. $4,178.40; ; 4. $2,863.17; ; 5. $4,888.33. What were the total cash receipts for Saturday?
- Salami
We have six kinds of salami, six of which have ten pieces, and one of which has four pieces. How many ways can we distinctly choose five pieces of salami?
- Italian writer
There were 17 children in the barracks with an Italian writer. Six children ordered a book in an Italian original, and 12 children in the translation. How many children ordered a book in both languages if the three children did not order it?
- Employees 4
Of 125 employees, 102 are assigned to perform ONLY ONE programming job, either system programming or application programming. Ten employees are not assigned to perform any of those programming jobs. Overall, 52 employees are given to perform ONLY system p
- Statistically 25181
Statistically, in a city of 100,000 inhabitants, 600 people die in one year. During the year, 2,000 people received hospital treatment, and 120 of them died there. Calculate the probability that a citizen who comes to the hospital for treatment will die t
- T-shirts 22133
There were 40 boys in the school. They were branded with caps and t-shirts. Twenty-five boys had blue caps. Twenty boys had a blue cap and a yellow T-shirt. a) How many boys had a yellow shirt? b) How many boys did not have a blue cap? c) How many boys on
- Bivariate data set
Here is a bivariate data set in which you believe y to be the response variable. x y 51.4 44.8 60.2 46.6 60.1 46.8 45.8 46.3 37.4 41.8 72.4 52.5 60 48.2 67.5 49.5 60.9 49.8 51.1 45.7 62.7 49.6 194.9 84.2 Make a scatter plot of this data. Which point is an