oter 3(1) Saved to this PC ✓ayout72FontReferences MailingsVA A Aa Ax²A AVs: OnReview View Help16-16-16-Accessibility: Investigatee. Find P(A)Paragraphd. Find P(ANB).=SearchETVSexSearchVMale (M)Female (F)Total174. A medium-sized company characterized their employees based on the sex of the employee and their length ofservice to the company - identified as groups A, B, C, and D. The results are summarized in the table below.0-5 (A)2530554+Normal19Years Employed6-10 (B)2025456. For two events, A and B, P(A) = .6, P(B) = .8, and P(A | B) = .5. Find P(A n B).aNo Spacing11-20 (C) >20 (D)hp151025a. Suppose an employee has been randomly selected from this company. Given that the employee is male,find the probability that they have worked for the company for more than 10 years?b. Suppose an employee has been randomly selected from this company. Given that the employee is female,find the probability that they have worked for the company for more than 20 years?c.Calculate each of the following probabilities:P(F)P(B) =P(CUM) =P(COM) =Are the events A and B independent? Are they mutually exclusive? Explain both of your answers.5. For two events, A and B, P(A) = ½, P(B) = 1/3, P(An B) = %4. Find P(B | A).110505Heading 1?f11StylesTotal6565130Heading 2$12 ✈prt scFocusA hbuqaj12@gmail.cTitleBBdeleteCor5home

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The following data represent the smoking status by level of education for residents 18 years old or older living in a certain country from a random sample of 999 residents. Complete parts (a) and (b).
39. Fifty part-time students were asked how many courses they were taking this term. The (incomplete) results are shown below: # of Courses Frequency Frequency 1 2 $ 30 Relative Frequency Relative Frequency Cumulative Relative Frequency 0.6 Table 1.13 Part-time Student Course Loads 151 Fill in the blanks in Table 1.13. b. What percent of students take exactly two courses? C. What percent of students take one or two courses? 4
How many partial table will be produced if a researcher controlled for gender? a. One b. Two c. Four d. Three
Consider the following passage: I ran a regression, with many variables to predict the result of another variable which was the murder rate. One can see that lots of things, can cause the murder rate to increase or decrease. I tried to account for all the important factors, and those factors are the SAT scores, unemployment rate, and international migration per 1,000. The SAT score is, average combined total score participants did on the SAT exam. The unemployment rate is, "a measure of the prevalence of unemployment and it is calculated as a percentage by dividing the number of unemployed individuals by all individuals currently in the labor force." (Wikipedia) International migration per 1,000 is, the number of people who come into a state from other countries per 1,000 people who live in the state. After I run the regression I will look at the t scores and p values and I should hopefully conclude that international migration does not cause crime. Which writing mistakes, if any, did…
2. The bar chart below shows the number of refugees entering the US from Jan. 21 to June 30, 2017 by nationality. The top 10 nationalities are shown in the chart. a. Summarize what you see in this chart in at least 3 sentences. b. Suppose during this time 19,030 refugees were admitted to the United States. What percentage of refugees come from each of these countries? Number of refugees entering the U.S. from Jan, 21 through June 30, 2017 Dem. Rep. Congo 3.235 Buma 2.470 Iraq 1.923 Somalia 1879 Syria 1,779 Ukralne 1.603 Bhutan 1,381 Eritrea 1.133 Iran 897 El Salvador 501
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 = ()+() +() +
The following tables show the make-up of students in a school's math club. Male Female Totals Freshmen 3 5 8 Sophomores 4 10 Juniors 7 5 12 Seniors 4 10 Totals 20 20 40 P(female I freshman)? 4 20
1.What is the Prevalence as a decimal for college 1 (box a)?Round to the nearest hundredth. 2. which ONE college experienced the highest influenza rate during last year's flu season? 3.what percentage of students had the flu at the college that experienced the highest influenza rate during last year's flu season?Round to the nearest one hundredth
3. Teachers at Hudson River University fall into the following categories of years of Experience. # Years of Experience 0 1-4 5-8 9-12 13 or more Relative Frequency 32 227 361 312 281 Cumulative Frequency Cumulative Relative Frequency A. Complete the Table B. Compute P(Teacher at Hudson River University has MORE than 4 years experience) C. Compute P(Teacher at Hudson River University has between (inclusively) 5 and 12 years experience)
The following data is the number of tickets sold and the jackpot value for the Mega Millions lottery. The jackpot value is in millions of dollars and the number of tickets sold is in millions. Jackpot value 334 127 300 227 202 180 164 145 255 Number of tickets sold 54 16 41 27 23 18 18 16 26 r= 0.947 tickets sold -10.87 +0.17 (jackpot value) Which is the independent variable and which is the dependent variable? X= independent variable = Y= dependent variable Interpret ². Interpret the slope. Predict the number of tickets sold when the jackpot value is 500 million dollars. Would you feel comfortable using the model for this value? Why or why not.
6. A social worker looks at data in her state regarding the relationship between being in foster care and having a criminal record by the age of 25. "Aging out' refers to when a youth turns 18 years old and is expected to move out of foster care and start their lives on their own. Fictional data fro 1350 youths is shown below. Answer the following questions in the space below, labeling each response a, b, or c. What percentage of youths overall were adopted before aging out, and had a criminal record? What percentage of youths were in foster care until they were aged out? True or False: If foster care status and having a crime record were independent of each other, and 55% overall had no crime record, you would expect 55% of those who aged out in foster care to have no crime record. No crime record Crime record Total Foster care until ‘aged out’ 445 450 895 Adopted before aging out 300 155…
5.

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