quasi-experimental study 1- General introduction about study design 2- Definition and characteristics of the study 3- Measures used in the study 4- Advantages and disadvantages 5- Summary of any one study from published literature (Objective, Method: study population, selection criteria of subject, measures used for analysis, Result and Conclusion) 6- Conclusion

Q: A3: Solve the linear system; LE2 5x – 2y = 1 2x + 3y = 8

A: Given information: The linear system consisting of two equations is: E1 :=  5x-2y=1E2 :=  2x+3y=8 It...

Q: Probabilities

A: Step 1; Mean of x, E(x) = ∑x* f(x) Variance of x, V(x) = E(x2)-(E(x))2

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Q: The average expenditure on Valentine's Day was expected to be $100.89 (USA Today, February 13, 2006)...

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Q: The Higher Education Research Institute at UCLA collected data from 203970 incoming first-time, full...

A:

Q: Please help me with this question

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Q: P(X) Activity 3 It's fun to try! 3. A pair of fair dice is rolled. Let X the random variable represe...

A: NOTE*** As per bartleby guidelines for more than three subparts asked in a question, only first thre...

Q: Suppose events A, B, and C are independent and P(A) =D 글 P(B) =D P(C) =D 1 Find the probability. (En...

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Q: endents. v many ways can the committee be chosen, if it m alloween 10 identical apples are distribut...

A: As per the bartleby guidelines for more than one part only one has to be solved. Please upload the o...

Q: 1. The random numbers below represent 10 trials of a simulation. 2632, 1365, 9367, 2056, 0026, 6564,...

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Q: Assume a jar has six red marbles and four black marbles. Draw out two marbles with and without repla...

A: Note: " Since you have posted many sub-parts. we will solve the first three sub-parts for you. To ge...

Q: A carnival game consists of choosing a rubber duck from a kiddie pool. If the duck has a red dot on ...

A: There are 10 ducks in the pool, and 2 of them have red dots.

Q: Please help me with this question

A: We have construct a password using the following conditions, 1. Starts with a letter 2. length is 5 ...

Q: 6. There are 30 children in a class and they all have at least one cat or dog. 14 children have a ca...

A: Let us denote C=Cat and D=dog Given that: n(C or D)=30 , n(C)=14, n(D)=19   We have to find P(C and ...

Q: Suppose X is normally distributed with mean ?=46 and standard deviation ?= 12. Calculate the z-score...

A: Given that, Mean = 46 Standard deviation = 12

Q: X is a random variable with probability distribution function x = 2,4,6,8 x = 1,3,5 1. 0.1 f(x) = 0....

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Q: The half-life of carbon-14, 14C, is approximately 5,730 years. A bone fragment is estimated to have ...

A: Given information: Initial amount=Q0=7 mgHalf life=t12=5730 years

Q: On average, Jimbo's Luxury Resort receives 14.7 reservation calls every hour (assumed to follow a Po...

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Q: 8 The number of hours of a certain device has been active are measured to the normally distributed ...

A: Since you have asked multiple questions, we will solve the first question for you. If you want any s...

Q: The number of people who survived the Titanic based on class and gender is in the following table. S...

A: According to the provided information, the total survived person is 450

Q: 19. Amanda exercises by swimming each month. She does not want to swi miore than seven times in a mo...

A: As per requirement D and E part. Given: On the basis given information X P(x) 0 0.10 1 0.10 ...

Q: Out of 5 horses in a race, you bet on "Goody-Goody" and "Maybe Next Time" to finish 1st and 2nd, in ...

A: Given Data: number of horses=5

Q: For some particular website, the password must start with one of the letters W, X, Y, or Z. Then the...

A: As the English alphabet has 26 letters from A to Z, and there are 10 digits from 0 through 9, total ...

Q: 1. A continuous random variable X is defined by f(x)= (3+x)^2/16            -3 ≤ x ≤ -1 =(6-2x^2)/16...

A: The function fx for continuous random variable X is given by : fx=3+x216 , -3≤x≤-16-2x216 , -1≤x≤13-...

Q: A company has 5 stores in New York and 6 stores in Chicago. Three of the stores are randomly selecte...

A: We have given that 5 stores in New York and 6 stores in Chicago.   We know that, Combination formula...

Q: From the sample space S=​{1, ​2, 3,​ 4,..., 15} a single number is to be selected at random. Given e...

A: Let  A represents the event that chosen number is Even B represents the event that chosen number is ...

Q: The call center manager at InsuranceCorp is responsible for ensuring customer satisfaction. To this ...

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Q: Derine the foliowing terms associated with statistical analysis and complete the example to support ...

A: Since you have asked multiple question, we will solve the first question for you. If youwant any spe...

Q: 4.17 During the assembly of an exhaust valve, sufficient dis- tance must be maintained between the v...

A:

Q: A sign on the pumps at a gas station encourages customers to have their oil checked, and claims that...

A: Here p =1/5 = 0.2

Q: How many ways are there to rearrange the letters in the word CYCLONES? Switching identical letters d...

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Q: Debate Club has 7 members. You are the coach and have to select a team of 3 to go to the State-level...

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Q: If one card is drawn from a deck, find the probability of getting these result. 7. A heart or a club...

A: One card is drawn from a pack of 52 cards, there are 13 hearts and 13 clubs in the deck. Therefore t...

Q: Probability Question

A:

Q: A bag contains the letters A, B, C, D, E, F. You draw three  letters out of the bag (without replace...

A: We have to find no of ways different three-letter sequences can....

Q: 1.) enumerate the steps for a hypothesis test for a population mean when the variance is known.

A: STEPS FOR HYPOHESIS TEST FOR A POPULATION MEAN 1) State the hypothesis i.e. Null and Alternative Hyp...

Q: A cinema can accomodate 200 customers. Let Z denote the number of customers in the cinema. What are ...

A: Given that: A cinema can accommodate 200 customers. Let Z denote the number of customers in the cine...

Q: the lunch special at IHOP on Wednesdays is either a hamburger or club sandwich and a choice of one s...

A: The choices given for the lunch are: Hamburger (H) Sandwich (S) and Home fries (F) Fruit Cup (FC)...

Q: hi the question got rejected but the question for not being complete but it is.

A: to play a game a number cube with side number and coin is flipped total sampe space

Q: An urn contains 5 green balls, 2 blue balls, and 2 red balls. In a random sample of 5 balls, find th...

A: Number of green balls is 5. Number of blue ball is 2. Number of red ball is 2.  

Q: The United States Department of Agriculture (USDA) found that the proportion of young adults ages 20...

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Q: Find the probability of this,using standard normal distribution. Thank you!

A: Given: P-2.73<z<-0.73

Q: Use the formula for the probability of the complement of an event. Two dice are tossed. Let E be the...

A: 1. The number of elements in the event Ec is obtained below: From the given information, two dice ar...

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Q: John is taller than pam, david is taller than john,who is the tallest?

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Q: A clothing retailer must decide how many boxes of fashion pants to order for the upcoming season. Th...

A: GivenThe demand and their respective probabilities as shown belowDemandprobability100.2300.4700.3800...

Q: |A 13 Suppose that P(X = a} = p. P(X = b} = 1- p, a. Show that is a Bernoulli random variable b. Fin...

A: a).By given probability p and random variable X consider a. By this consider random variable X-ab-a=...

Q: A student is to answer 7 out of 9 questions on a midterm test. i) How many examination selections ha...

A: i) Given that there are total 9 questions and he has to select 7 questions. So the total number of w...

Q: 15. You have a box of winter accessories in your attic with 12 hats and 23 scarves. A. Construct a t...

A: As per our guidelines, we are allowed to answer three sub-parts only.Thanks   Given : Number of Hats...