The following table shows the data of 99 people about their gender and height. (images) - Can it be said that the proportion of women is different from the proportion of mens? Justify your answer. Use both criteria, the p-value and the test statistic to make the decision.

Q: Let X and Y be two continuous random variables having joint pdf fX,Y (x, y) = (1 + XY)/4 , −1 ≤x ≤1,…

A: Given that, X and Y are two continuous random variables. The joint pdf of X and Y is given as:…

Q: Would this be a t-test because the sample is less than 30?

A: From the given information, the population standard deviation is 2.

Q: When two fair, six-sided number cubes are used, the probability of rolling doubles is 1/6. Suppose…

A: Given n=3 P=1/6

Q: The table below displayed the number of tickets sold on different days for a concert taking place on…

A:

Q: rfield Electronics Company for the past 8 days. 3 02 01352 5 1 300 133 43 184 240 etermine if there…

A: Data given 3,0,2,0,1,3,5,2,5,1,3,0,0,1,3,3,4,3,1,8,4,2,4,0

Q: Step 1 of 6: Find the estimated slope. Round your answer to three decimal places. Answer How to…

A: It is given that the two random variables the number of tickets (X) and GPA (Y).

Q: Independent surveys show that the average IQ of 9 r/s babies exposed to cocaine in the  uterus is 81…

A: Given Information: Sample 1: Sample size n1=9 Sample mean x¯1=81 Sample standard deviation s1=18…

Q: Here are summary statistics for randomly selected weights of newborn girls: n = 250, x= 32.4 hg, s=…

A: Given Information: Sample size n=250 Sample size x¯=32.4 Sample standard deviation s=7.1 Confidence…

Q: You want to obtain a sample to estimate a population proportion. At this point in time, you have no…

A: It is given that Margin of error E = 2% = 0.02 Level of confidence = 98%

Q: About 2% of the population has a particular genetic mutation. 800 people are randomly selected. Find…

A: According to the given information, we have Given that 2% of the population has a particular genetic…

Q: A company is studying the number of monthly absences among its 125 employees. The following…

A:

Q: riable, X, had the probability distribution shown in the table. 1 2 TT 0.30 Number of Cavities…

A: Given  Let X be the number of cavities filled in the last three years for a randomly chosen patient.…

Q: d. Provide a five-number summary. e. Using the z-score approach, do the data contain any outliers?…

A: Values : n=14 49.4,52.4,53.4,51.3,52.1,48.7,52.1,52.2,64.5,51.6,46.5,52.9,52.5,51.2  If value of z…

Q: Problem 3. Consider TSLS estimation of the effect of a single endogenous variable X, on Y; using a…

A:

Q: According to the 2011 Gallup daily tracking polls (https://www.gallup.com, February 3, 2012),…

A: P= 53.4% = 0.534  N= 100  Success = 50

Q: igital Camera Prices The prices (in dollars) for a particular model of digital camera with 6…

A: Data given 195,181,250,217,194,227,231,192,189,249  n=10

Q: can you show the table that you used

A: Given that, The sample size is, n = 45 The population mean is, μ=105 The population standard…

Q: (a) (b) (c) What is the lower limit of the fourth class interval? What is the class size of each…

A: It is given that the frequency distribution of weights ( in kg ) of 40 persons. The given frequency…

Q: intend to estimate a population mean u from the following sample. 40.7 11.8 -30.6 28.4 20.9 8.5 21…

A:

Q: 67. Work Commuting Methods. Public transportation and the automobile are two meth- ods an employee…

A: Public transportation :  28,29,32,37,33,25,29,32,41,34 Arrange : 25,28,29,29,32,32,33,34,37,41…

Q: The physical plant at the main campus of a large state university recieves daily requests to replace…

A: given data, bell shaped distribution μ=65σ=8emperical rule :according to emperical rule 68%, 95% and…

Q: A species of fish was added to a lake. The population size P (t) of this species can be modeled by…

A: The given function is, Pt=8001+6e-0.2t

Q: d) The weight of 45 watermelons from a farm is shown below. i. ii. iii. iv. Weight 11-15 16-20 21-25…

A: List of formulae :  Mean :-  Mean = ∑xfN Median :- Median = L+N2-cff×h Where ,  x is midpoint of…

Q: A senior engineer at Kruger Industrial Smoothing will make changes to the Kruger grinding process if…

A:

Q: ← Assume that we want to construct a confidence interval. Do one of the following, as appropriate:…

A: We have given that Standard deviations (σ) = 3579Sample size (n) = 56Significance level (α) = 1 -…

Q: A researcher at a large company has collected data on the beginning salary and current salary of 48…

A: The least square regression equation is Y = –2500 + 2.1X.

Q: Do male and female servers work the same number of hours? A sample of 24 female servers worked an…

A: The sample size for females is 24, mean is 40 and standard deviation is 4. The sample size for males…

Q: 1 of 1 There was a sample of 300 milligrams of a radioactive substance to start a study. Since then,…

A:

Q: Step 3 of 6: Determine the value of the dependent variable y at x = 0. Answer

A: It is given that the two random variables number of tickets (X) and GPA (Y).

Q: The data below shows car model and the color of vehicles sold at a Car dealership. Hyundai Honda…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: How many widgets need to be sampled in order to be 98% confident that the error in estimating the…

A: Givenconfidence level=98%Margin of error(E)=0.05

Q: In one Introductory Statistics class, the probability that a student will pass the first test is…

A: events: A: pass first test  B: pass second test   P(A) = 0.55         P(A') = 1 - 0.55 = 0.45 P(B|A)…

Q: Refer to the accompanying data display that results from a sample of airport data speeds in Mbps.…

A: From the given dataConfidence interval=(13.046,22.15)Mean(x)=17.598standard…

Q: 2) form a hypothesis regarding the relationship between two of the variables in the data, 3) choose…

A: 2) The hypotheses regarding the association between two of the variables in the data are as follows:…

Q: Distribution with N(3.39, 0.55) with numbers being in kg (kilograms) D. Compute P(birth weight > 4…

A:

Q: places when necessary. In a poll, respondents were asked whether they were planning to vote in the…

A:

Q: 6. Most individuals are aware that the average annual repair cost for an automobile depends on the…

A: The question is about hypo. testing Given : Sample no. of automobiles which were 4 years old ( n1 )…

Q: Do male and female servers work the same number of hours? A sample of 24 female servers worked an…

A: M1 =40 N1 = 24 df = n-1 df = 23 S1 = 4  M2 = 28 N2 =22  df = 21 S2 = 3

Q: Use n = 6 and p = 0.4 to complete parts (a) through (d) below. XO P(x) 0 1 2 3 4 5 6 (Round to four…

A:

Q: Letting y represent amount of carbon monoxide and letting x represent amount of tar, find the…

A: Note: As per the guidelines only one question can be answered. Kindly,  resubmit for other question.

Q: 1 (a) 20 students from College A each run 5 km. The times, correct to the nearest minute, are…

A: given data  observations in accending order:…

Q: David's gasoline station offers 4 cents off per gallon if the customer pays in cash and does not use…

A:

Q: Camila sets up a passcode on her smart phone, which allows only five-digit codes. She has heard that…

A: Given : The passcode consists of 5 digits  Out of 5 digits one digit appeared 2 times (because…

Q: = test described below. eds at airports, the mean is μ = 15.00 Mbps. The sample size is n = 29 and…

A: From the provided information, Sample size (n) = 29 Test statistic (t) = -1.199

Q: The table below shows the number of state-registered automatic weapons and the murder rate for…

A: Given: n = 8 Formula Used: b = n∑XY-∑X∑Yn∑X2-∑X2 a = ∑Y-b∑Xn

Q: You wish to test Ho: μ₁ μ2 versus Ha:μ₁ < μ₂ at a = 0.10. You obtain a sample of size n₁ = 5 with a…

A: Solution-: Given: n1=5,n2=14,x¯1=83.1,x¯2=87.5,s1=20.4,s2=8.1,α=0.10 To test, H0:μ1=μ2  Vs…

Q: Use the sample data and confidence level given below to complete parts (a) through (d). A drug is…

A: given data,x=170n=4176CI=0.95α=1-0.95=0.05p(Z&lt;zc)=1-α2=1-0.052=1-0.0250=0.9750         ∴zc=1.96 […

Q: Robots have been programmed to traverse the maze shown in the figure below and at each junction…

A: The possible transition paths of robots are given as:

Q: 5. Bank of America's Consumer Spending Survey collected data on annual credit card charges in seven…

A: 5. The given sample size is 17, sample mean difference is $861 and the sample variance of the…

Q: Fill out the black to make the given table below a probability distribution. X 0 123 4 P(x) 0.07…

A: we know that the sum of the valid probabilty distribution =1we can also say that ∑p(x)=1here we…