Out of 1800 candidates appeared for a competitive examination 625 were successful; 300 had attended a coaching class and of these 180 came out successful. Test for the association of attributes attending the coaching class and success in the examination.

Q: A Philippine labor group wishes to know if the mean income of managers in the retail industry is…

A: Given that  A Philippine labor group wishes to know if the mean income of managers in the retail…

Q: P (Z ≤ 0.77) = [ P(Z > 1.36) = P(-0.70 < Z < 2.06) = |

A: Given that,  Z follow the standard normal distribution Z~N(0, 1)  We have to find the P(Z&lt;=0.77),…

Q: A ski resort claims that there is a 75% chance of snow on any given day in January and that snowfall…

A:

Q: arketing decisio

A: Choice analysis is used in a marketing research as a marketing analytics technique wherein the…

Q: Suppose population 1 consists of all students who picked up all the tests they completed prior to…

A:

Q: Find the indicated limit. Make sure that you have an indeterminate form before you apply l'Hôpital's…

A: Given that

Q: likelihood ratio to test of H, against H,

A: L0(θ)=πi=1nf(xi,θ0)=πi=1nxie-xiθθ2=1θ2ne-Σxiθπi=1n(xi)=1θ2ne-nxθπi=1n(xi)=1θ2ne-nxθπi=1n(xi) False…

Q: Define p(x,y) by p(0,1)=1/6, p(1,0)=p(1,1)=1/3 , p(2,2)=1/6 and p(x,y)=0 for any other (x,y). a)…

A: For the random variables (which are essentially discrete in nature) X and Y, the joint probability…

Q: probability that the system will not work.

A:

Q: Cancer is a disease caused by abnormal growth and proliferation of cells in the body. A model is…

A:

Q: Question 4 Suppose that f(x)- e for 0 < x. Determine the (b) P(1 < X < 2.5) (d) P(X < 4) following:…

A: Answer: - Given Probability density function of X                  f(x)  = e-x for  x&gt;00…

Q: ) What conditions are necessary for your calculations? (Select all that apply.) O uniform…

A: Given Suppose x has a normal distribution  s = 1.7 Xbar=50 n=12

Q: Let f(x,y) = K (x² + y²) IA (x,y) where A is the region bounded by y=1x1 and y=2. Find K so that *…

A:

Q: Salaries at a large corporation are normally distributed with a mean of $45,000 and a standard…

A: The normal distribution shows the probability value using the standard score or raw score. It is…

Q: P(Z ≤ 0.77) = P(Z > 1.36) = P(-0.70 < Z < 2.06) =

A: From the provided information And using standard normal distribution table…

Q: Some tests were carried out on a newly designed carburetor. Four variables were studied as follows:

A: Given information: The variables in the given study are: A = Tension on spring B = Air gap C = Size…

Q: X 06 23 3 C

A:

Q: Which of the following is true about a sampling distribution. Click all that apply. a. The larger…

A: The objective is to identify the statements that are true about the sampling distribution:

Q: Suppose that buses arrive are scheduled to arrive at a bus stop at noon but are always X minutes…

A: Buses arrive are scheduled to arrive at a bus stop at noon but are always X minutes late, where X is…

Q: Based on the model, a one unit increase in uniformity in cell size the odds of observing a malignant…

A:

Q: "Does how long young children remain at lunch table help predict how much they eat?" Here are data…

A: Given data is  Time 21.4 30.8 37.7 33.5 32.8 39.5 22.8 34.1 33.9 43.8 Calories 472 498 465 456…

Q: Let X haveN (μ, o²), then The value of E(x-μ|2²) is

A:

Q: The manager of a computer retails store is concerned that his suppliers have been giving him laptop…

A: Given data: Mean = 3.6 Standard deviation  = 0.6

Q: The highway fuel economy of a 2016 Lexus RX 350 FWD 6-cylinder 3.5-L automatic 5-speed using premium…

A: Solution Given That, The highway fuel economy of a 2016 Lexus RX 350 FWD 6-cylinder 3.5-L automatic…

Q: An article from the American Journal of Public Health  reports the results from a randomized study…

A: Given that: For intervention group, since 141 out of 152 participated so the sample size will…

Q: 1. Compute n, μ, EX, and EX² 5, 7, 3, 4, 1 2. Compute n, EX, (EX)², and EX² X 7 5 6 2 3 f 2 3 4 2 1…

A: 1) n x x^2 1 5 25 2 7 49 3 3 9 4 4 16 5 1 1 sum 20 100 n=5 μ = ∑xn = 205 = 4 ∑x =…

Q: Consider 111 binomial trials with 45 successes. (a) Is it appropriate to use a normal distribution…

A: Given: Consider 111 binomial trials with 45 successes.

Q: Question 2  A study was conducted on 108 individuals to determine if their attraction to a…

A: Given: The study conducted on Single, dating and married individuals. Individuals were classified…

Q: 3. What is the value that corresponds to the 60th percentile in the following data set? Use linear…

A: The question is about measures Given Data :

Q: 3. A decision-making procedure to find out whether there is a significant difference between a claim…

A: The objective is to find the correct option from the given choices.

Q: 7 What is the spread of the sampling distribution of X1-X₂?

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Q: ey than in telling the truth. point estimate for p, p, is . nd to three decimal places as needed.)…

A: Given X=2241 N=4212

Q: for cosmetic produc a survey to 40 teena- cosmetic products i= 05

A: Hi! Thank you for the question As per the honour code, We’ll answer the first question Please submit…

Q: A machine has to be repaired if there are more than 10% defectives among all items it produces in a…

A: A null hypothesis could be a statement, during which there's no relationship between two variables.…

Q: 19.    A vendo machine is designed to fill plastic cups with 19 ounces of orange juice. A costumer…

A: As per our guidelines we are suppose to answer only one question19)Givensample…

Q: STATISTICS AND PROBABILITY Multiple Choice! No long explaantion needed. THUMBS-UP will be given!…

A:

Q: Suppose population 1 consists of all students who picked up all the tests they completed prior…

A: Given, For sample 1 : sample size (n1) = 56 sample mean (x̄1) = 83 sample variance (s1) = 10.4  For…

Q: 5. Omitting relevant regressors from the model results in OLS estimators that are: a. biased but…

A: I will answer question 5 since the exact one wasn't specified. Please resubmit the new question…

Q: are female. In a random sample of 100 members, 50% are female. Using 0.05 level of confidence, what…

A: Given that  43. A gym instructor claims that at least 70% of the members in the gym are female. In a…

Q: Twenty years ago, 48% of parents of children in high school felt it was a serious problem that high…

A: Solution Given That, Twenty years ago. 48% of parents of children in high school was a serious…

Q: much does a sleeping bag cost? Let's say you want a sleeping bag that should keep you warm in…

A: Given data, 85,70,115,80,90,95,30,23,100,110,105,95,105,60,110,120,95,90,60,70 a) By using…

Q: 1. Determine whether there is a significant difference on the perceived capabilities in research…

A: Anova is the analysis that used to compare the categorical variable which are numerical. It used to…

Q: How to find 20th, 25th, 65th, and 75th, percentiles for data value of 15, 21, 24, 24, 27, 28, 30,…

A: Given 15, 21, 24, 24, 27, 28, 30, 35

Q: 16. Which of the following is the percentile point of P75? O A. 27 O B. 36

A: Solution: Class Class Boundries Frequencyf cf 60 - 64 59.5 - 64.5 3 3 65 -…

Q: A multiple choice exam has 4 choices for each question. A student has studied enough so that the…

A: Given that: The probability that student will know the answer = 0.5 The probability that a student…

Q: ) What conditions are necessary for your calculations? (Select all that apply.) uniform distribution…

A: Given Suppose x has a normal distribution with  s = 1.3. sample of size (n)51 sample mean of x = 20.

Q: A researcher collected sample data for 20 middle-aged women. The sample had a mean serum cholesterol…

A: GivenMean(x)=190.4standard deviation(s)=9.7sample size(n)=20Confidence level = 99%

Q: Suppose that f(x, y) = (1/12 1/6 1/3 0 , (1,2), (3,2) , (2,2), (3,3), (1,3) , (2,4) , otherwise is a…

A:

Q: Please help me ASAP within an hour, I will like your answer. Thank you. In a box containing 8 red…

A: In a box containing 8 red balls, 8 green balls and 8 blue balls where 3 balls will be drawn in…