Identify the sampling procedure used in each given research titles. Provide justification for your answer.  Birth Order and Career  Choices of Junior and Senior  High School students in HArdvard Sampling Method: Justification:

Q: What is the t-value for a 95% confidence interval given that the sample size is 16? Write the exact…

A: Given: confidence level =95%  Sample size n=16  Then degree of freedom for t-test is =n-1  To find…

Q: In a random sample of 90 homeowners, 71% of them have received robocalls over an outstanding debt.…

A:

Q: A grinding machine will be qualified for a particular task if less than or equal to BN of the parts…

A: Given that  Sample size n =200 Favorable cases x =20 Sample proportion p^=x/n  =20/200 =0.1

Q: If electricity power failures occur according to a Poisson distribution with an average of 3…

A: λ=3 failures per twenty-week The objective is to find out that there will be no more than one…

Q: The table below displays marks of 120 students in mathematics at a faculty of science. Construct a…

A: The question is based on graph. representation of data Given :

Q: II. Create a normal distribution and explain the test scores of the students in each particular…

A: Given: Mean μ=179 Standard deviation σ=17

Q: An apple juice producer buys all his apples from a conglomerate of apple growers in one northwest…

A: Given,mean(μ)=2.06standard deviation(σ)=0.16

Q: Suppose that the joint CDF of the random variables X and Y is given by: 0, x < -2 or y < -5

A: From the given information, The joint CDF of X and Y is, Consider, the joint pdf of X and Y is,…

Q: A random sample of fifty-six 200-meter swims has a mean time of 3.86 minutes and the population…

A:

Q: II. Create a normal distribution and explain the test scores of the students in each particular…

A:

Q: A sample of 50 patients undergoing chemotherapy has a mean weight loss of 24 kg after they went the…

A:

Q: A researcher wants to estimate the mean sleeping time of patients with sleep apnea. In a similar…

A: Population standard deviation is 1.9. The z-critical value for 90% confidence interval is 1.645…

Q: values for a normal dis 1. x= 13 2. x = 9 3. х%3D23 X : X =

A: As per bartleby guideline expert have to answer first three subparts only.

Q: The average hardware repair time is 200 minutes and the standard deviation is 50 minutes, while the…

A:

Q: The distribution of the heights in feet of black cherry trees is shown in the histog 10

A: A histogram is a graphical representation of data comprising bars in which the width of the bar…

Q: Which argument/s is/are valid? 1. Marie is hardworking. Therefore Marie is hardworking and generous.…

A: An argument can be categorized as valid or invalid based on criteria.

Q: An epidemiologist wants to estimate the proportion of patients who tested positive for the new…

A: Given: No. of patients, n= 300 No. of patients who tested positive for the new strain of virus, x=45…

Q: Around 400,000 new cases and more than 4,000 deaths have been reported on many days in May" A.With…

A: Given information: Around 400,000 new cases and more than 4,000 deaths have been reported on many…

Q: Create a standard normal curve for each given, find the areas under the normal curve and shade the…

A: Let X be a random variable following normal distribution with mean μ and variance σ2.  Let us take…

Q: The manager of the city pool has scheduled extra lifeguards to be on staff for Saturdays. However,…

A: The categorical variable is day. We have to test whether there is a difference in the number of…

Q: 11

A: Given: P[N&lt;4]&gt;0.95

Q: Add 0.1 and 0.2 to each one of the closing prices in data sets B and C, respectively Data set A Data…

A: Given Information: Consider the given dataset. Data set A  Data set B Data set C  56804.90…

Q: Some sources report that the weights of full-term newborn babies in a certain town have a mean of 8…

A:

Q: a. State the null and alternative hypothesis to be tested. b. State your conclusion.

A: HERE FROM GIVEN INFORMATION , sample mean  = 79.7%  sample standard deviation  =  0.8% sample size n…

Q: Using python programming language i.e. (Anaconda - Jupyter )According to a study exactly 12 % of…

A: Given that  Sample size n =250 Favorable cases =22 Sample proportion p^=x/n  =22/250 =0.088

Q: Consider the following regression estimate: In Qd = 2.1 – 0.7 ln P + 0.07Urban Log quantity demanded…

A: Given Information: Regression estimate ln Q^d=2.1-0.7 ln P+0.07Urban The dependent variable is…

Q: Using sample data for predictions or generalizations on larger data sets or known populations as…

A: Introduction: It is required to identify the correct option.

Q: The following table shows the marks gained in an arithmetic examination by 100 pupils. ne maximum…

A: Thank you for posting the question. Since you have asked multiple question, we will solve the first…

Q: 90 85 75 76 81 76 75 76 76 96 89 88 73 81 93 76 76 96 89 88 73 81 89 74 74 74 76 86 75 96 79 73 86…

A: x x2 90 8100 85 7225 75 5625 76 5776 81 6561 76 5776 75 5625 76 5776 76 5776 96…

Q: Find the 95% confidence interval for the standard deviation of the ages of residents in a senior…

A: N=25 Standard deviation =2.94 95% confidence interval for the standard deviation =?

Q: The table below displays marks of 120 students in mathematics at a faculty of science. Construct a…

A: Given data:

Q: 3. The life expectancy of a laptop terminals is normally distributed with a mean of 4 years and a…

A: Given that.   X~N( μ , ?^2 )   μ=4    , ?=10   Z-score =( x - μ )/?   NOTE:- According to bartleby…

Q: can use it as a guide. Thank you.  In replicate analyses, the carbohydrate content of a…

A:

Q: How many computers? In a simple random sample of 155 households, the sample mean number of personal…

A:

Q: 14. Using a left-tailed test, which of the following value of z will not fall in the rejection…

A:

Q: what is the test statistic? what is the p value?

A: Suppose researchers interested in this question collected a systematic sample from Store A customers…

Q: A life insurance salesman sells on the average 3 life insurance policies per week. Use Poisson's law…

A: Solution-: We have given that a life insurance salesman sells on average 3 life insurance policies…

Q: 1. O P(X=4) = 0,0512 2. O P(X=4) = 0,0579 3. O Lainnya/other 4. O P(X=4) = 0,0067

A: Given that  Number of trials n=5 Success of probability p =0.20 X~binomial (n, p)

Q: In a one-tailed test, in which critical values below will the computed z of 2.312 falls in the…

A: It is given that Computed value of Z = 2.312

Q: The average score of 200 students in a mathematics test is 75 with a standard deviation of 4. Then…

A: Solution-: Given: \mu=75, \sigma=4, n=200 (Number of students) Let, X= The score of students in a…

Q: 23.15 a barber runs a one-man shop. he does not make appointments but attends customers on a…

A: Given information: As per guidelines we will only answer the first three subparts, please repost…

Q: Question 4 Construct a spreadsheet simulation model to simulate 1,000 rolls of a die with the eight…

A: Given information: Two eight sided fair dice should be used for 1000 simulations.

Q: According to a report done by S& J Power, the mean lifetime of the light bulbs it manufactures is 45…

A: Given: Sample size, n=90 Sample mean, x¯=44Population sd, σ=7α=0.05

Q: A child mixes 10 good and three dead batteries. To find the dead batteries, his father tests them…

A:

Q: 11) of greater than 20 miles per gallon. To test the claim, a field experiment was conducted with a…

A: For  the given data Perform t test for one mean

Q: According to a report done by S& J Power, the mean lifetime of the light bulbs it manufactures is 45…

A: Given: Sample size, n=90  Population mean to be tested, μ=45sample mean, x¯=44Population…

Q: Data on the numbers of hospital admissions resulting from motor vehicle crashes are given below for…

A: Given,

Q: Ten students who are taking “on site class" have their body temperature measured, the results are as…

A: Introduction: We need to identify the correct stem and leaf plot.

Q: 1. Kenneth's Auto Tire sells all types of tires, but a popular radial tire accounts for a large…

A: Given: Demand for Tires Frequency (Days) 0 19 1 67 2 88 3 25 4 49 5 52

Q: An economist wondered if people who go to the movies on weekdays go more or less often on Fridays…

A: Given that  Sample size n=50 Favorable cases x =14 Sample proportion p^=x/n  =14/50 =0.28