Consider the visits that result in leave without being seen (LWBS) at an emergency department in the table below. Assume that fourvisits that result in LWBS are to be randomly selected (without replacement) for a follow up interview.Hospital #1234TotalTotal5292 6991 5640 4329 22,252LWBS195270246242953Admitted1277 1558 6669844485Not admitted 3820 5163 4728 3103 16,814Hint: Define and use relevant probability mass function(s) that will be appropriate in each section of this problem.a) What is the probability that all selected visits are from hospital 4?Round your answer to four decimal places (e.g. 98.7654).P =ib) What is the probability that no selected visits are from hospital 4?Round your answer to four decimal places (e.g. 98.7654).P =ic) What is the probability that all selected visits are from the same hospital?Round your answer to four decimal places (e.g. 98.7654).P =i

From the help of above given table we need to answer certain questions.

Answered: Consider the visits that result in…

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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Suppose there are 1,323 subjects in a particular category (nc = 1,323), and there are a total of 6,300 total subjects in the sample, (n = 6300). Compute the relative frequency of this category. For credit your answer must be a decimal, accurate to two decimal places. If your answer is less than 1 there must be a zero before the decimal point. Type your answer...
The following data set that I have received are the numbers 2,2,3,6,10. If I multiply each data value from the given data set by 4. What answers would I get to compute the mode, median, and mean?
In recent year, 28 US States had one or more tribal gambling casinos. The following table presents the number of tribal gambling casinos in those states.3 2 26 70 2 2 87 3 4 3 22 39 314 7 3 21 8 2 11114 8 14 1 34 31 4 Find the 5-number summaryConstruct a boxplot for these data
Adela Noriegam, a researcher wants to determine how employee salaries at a certain company are related to the length of employment, previous experience, and education. The researcher selects eight employees from the company and obtains the following data: Employee Salary,y Employment (in yrs), x1 Employment (in yrs), x2 Employment (in yrs), x3 A 57310 10 2 16 B 57380 5 6 16 C 54135 4 1 12 D 56985 6 5 14 E 58715 8 8 16 F 60000 20 0 12 G 59400 9 4 18 H 60720 15 7 17 What is the regression equation? Leave your answer in 2 decimal places Y = ()+() +() +
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3. A mathematics placement test is given to all entering freshmen at a small college. A student who receives a grade below 35 is denied admission to the regular mathematics course and placed in a remedial class. The placement test scores and the final grades for 20 students who took the regular course were recorded as follows: Placement Test Course Grade | Placement Test | Course Grade 50 53 90 54 35 35 41 80 60 91 61 48 40 56 60 71 55 68 60 71 65 36 40 47 35 11 55 53 60 70 50 68 90 79 65 57 35 59 50 79 (a) Plot a scatter diagram. (b) Find the equation of the regression line to predict course grades from placement test scores. (c) Graph the line on the scatter diagram (d) If 60 is the minimum passing grade, below which placement test score should students in the future be denied admission to this course?
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please complete the blank problem and or ones with a red x next to it not ones with a green check next to please
Let x be the percentage of 16- to 19-year-olds not in school and not high school graduates. Let y be the reported violent crimes per 1000 residents. Six small cities in Arkansas (Blytheville, El Dorado, Hot Springs, Jonesboro, Rogers, and Russellville) reported the following information about x and y. x 24.2 18.6 17.8 14.9 19.0 17.5 y 13.0 4.6 8.8 1.3 0.8 3.6 Complete parts (a) through (e), given Σx = 112, Σy = 32.1, Σx2 = 2137.7, Σy2 = 282.89, Σxy = 654.37, and r ≈ 0.763. (b) Verify the given sums Σx, Σy, Σx2, Σy2, Σxy, and the value of the sample correlation coefficient r. (Round your value for r to three decimal places.) Σx = Σy = Σx2 = Σy2 = Σxy = r = (c) Find x, and y. Then find the equation of the least-squares line = a + bx. (Round your answers for x and y to two decimal places. Round your answers for a and b to three decimal places.) x = y = = + x

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