robability and Non-Probability: Fill in the blanks. No need explanation 1. _____ also called "chain-referral sampling" The samples have the traits that are rare to find. 2.In _____ sampling, the researcher is the one who choose who to participate based on the need of the study.  3. ______ sampling is used when the population or geographical area of the research is so large. 4. In _____ sampling, there is no assurance that each item/person has a chance of being selected as a sample.

Q: potential savings offered by Diehard, but is also concerned about the quality of the dice produced…

A: D1 D2 D3 D4 D5 6 1 1 6 6 3 5 1 3 6 2 2 1 6 6 5 6 1 1 6 3 4 1 3 6 2 1 1 1 6 2 2 1 2 6…

Q: Which one of the following statements is false? Group of answer choices A correlation of –0.70 is…

A: Fom the above data We are given that.  A correlation of –0.70 is weaker than a correlation of +0.70.…

Q: On a certain hearing ability test, the mean is 300 and the standard deviation is 20. The better you…

A: The hypotheses for the test is given below. Null hypothesis: H0: µ =300 Alternative hypothesis: H1:…

Q: 7. The number of goals scored by players in a local soccer league during the course of a season are…

A:

Q: What is the derivative of the function f(x)= In(3x2) ? а. f'(x)= 2 b. None of these. с. 1 f'(x)= %3D…

A: We have given that  The function is f(x) = ln(3x2)

Q: local fast-food joint reports that they sell a mean of 225.0 burgers per day with a standard…

A: We have given that  Population mean = 225 Standard deviation = 12.3 Sample size = 31

Q: A highway department is studying the relationship between traffic flow and speed. The following…

A: For the given data Find all the required blanks

Q: Formulation of hypothesis: Create three examples of research title and write the null and…

A: Hypothesis Testing: Hypothesis testing is a method of statistical methodology that requires making…

Q: 17. When the heights (in inches) and shoe lengths (also in inches) were measured for a large random…

A: 1. Variability Explained  R^2= (r)^2      = (0.89)^2       0.7921 i.e 79.21 % variability is…

Q: A household is considered prosperous if its income exceeds $100,000. A household is considered…

A: P(C)=0.2810P(D)=0.158P(C and D)=0.081

Q: A survey of 500 people were asked this same question and the results were recorded in a tree diagram…

A: As per our guidelines we are supposed to answer only 3 subpart of any questions so i am solving…

Q: Example 19.17 The following arrangement shows the rise (U) or fall (D) in the price of an equity…

A:

Q: A statistical software program has a 'random number generator' that is supposed to produce numbers…

A: Parameter and Statistic Parameters are values that comprise data for a whole population. Statistics…

Q: In a survey of 3461 ​adults, 1491 say they have started paying bills online in the last year.…

A:

Q: Use R to find the "critical value" that corresponds to a 99% confidence interval using the Standard…

A: Using R software to find Z critical value that corresponds to 99% confidence interval using standard…

Q: Q 1/ Given a random variable having the normal distribution with u-16 and o=1.5625. Find the…

A:

Q: | The t-distribution should be used when the population variance is unknown. ) The t-distribution is…

A: We have given that the statements about to the t-distribution and normal distribution. Here, need to…

Q: The heights of 1000 students are approximately normally distributed with a mean of 174.5 centimeters…

A: Let X be the random variable from normal distribution with population mean (μ) = 174.5, population…

Q: Soalan/ Question 2: Given a normally distributed population with a mean of 75 and a variance of 625,…

A: GivenMean(μ)=75Variance(σ2)=625standard deviation(σ)=625=25

Q: You can use the Inferential Statistics page and the Distribution Calculators page SALT to answer…

A: We have given that  Population mean = 14.48 Sample mean = 12.6 Sample standard deviation = 4.73…

Q: Question 23 One card is randomly selected from a standard deck of 52 cards. What is the probability…

A: A deck of card have 4 Queens and 4 number of 10

Q: Managers at an automobile manufacturing plant would like to estimate the mean completion time of an…

A: Given that  Population standard deviation =10.4 Margin of error =E =2.2 90% confidence.

Q: You are given the sample mean and the population standard deviation. Use this information to…

A:

Q: a. What is the probability that you get the first heart on the 7th turn? b. How many turns are…

A: Given: There are 3 hearts, 7 clubs, 2 spades in a deck of cards. Total cards, n=12

Q: Renee buys a bag of cookies that contains 5 chocolate chip cookies, 7 peanut butter cookies, 5 sugar…

A: Number of choclate chip cookies = 5 Number of peanut butter cookies = 7 Number of sugar cookies = 5…

Q: Kaylee is working at her neighborhood transportation engineering company researching peak hour…

A: The mean at congested intersection truck traffic is less than 10.43 percent/hr. Null Hypothesis:…

Q: A manager states that in his warehouse, the average number of days per year missed by the employees…

A:

Q: Ex: The following data represent the number of damaged pieces of spare parts for the production of a…

A: We have given the data about the probability distribution.

Q: EXAMPLE :- How many 3 digits number can be formed using digits 1,6,8,9,3,7 without repeating any…

A: Given that ; 1,6,8,9,3,7 Total choices ( n) = 6 We make a 3 digit number without repeating of any…

Q: c) (a) For the next shaft, what is the probability that its diameter is between 8.5 mm and 13.0 mm?…

A:

Q: A study is conducted to estimate the association between exposure to lead paint in childhood and…

A:

Q: d. n 300, x = 100,95% confidence, s = 2.75 e. n = 450, x = 150,99% confidence level s = 4.72

A: Solution-: We construct the C.I.  (d) Given: x¯=100,n=300,s=2.75,c=0.95 (e) Given:…

Q: ind a 87% confidence interval for the difference in scores depending on the prenatal cocaine…

A:

Q: Amos wants to test if increasing the volume on his speakers will decrease a computer's bit rate. He…

A: Degrees ofFreedom Sums ofSquares MeanSquares F P-value Model   0.16   3.556 0.0624 Error…

Q: music minister believes that he sings at more than four conferences per year.  What is the null…

A:

Q: Q 4/ After collecting considerable data, the engineers decided to model the variation in shaft…

A:

Q: The Smallville Police has released that they issue an average of forty speeding tickets per day. An…

A: The hypotheses for the test are given below.

Q: In a recent survey, a random sample of OSU football fans was asked if they would consider dating…

A: Solution: The 95% confidence interval for the population proportion p is ( 0.66, 0.80)  Lower limit…

Q: what will the margin of error be?  Choose the answer that is closest to what you calculate, and try…

A: We have given that  Favourable cases, X = 51 Sample size, n = 85 Sample proportion, p^ = X/n…

Q: Which of the following statements is most appropriate about the relationship between x and y in the…

A: From the above graph, we can see that the there is a pattern of heteroscedasticity in the model i.e.…

Q: a certain city, the of power outages per Is a randon variable, having a distribution with u 11.5 and…

A: Let X be the continuous random variable from normal distribution with mean (μ) = 11.5 and standard…

Q: A simple clinical trial was performed to compare two medicines. A total of 20 patients were…

A: From the provided information, Sample size (n1) = 10 and n2 = 10

Q: Research was conducted on the amount of oxygen runners could utilize during training, known as their…

A: Given n=8

Q: Solve the problems by following the steps and procedures in hypothesis testing. 3. A nationwide…

A:

Q: An economist collects a simple random sample of 32 teacher's salaries in Cititon, and finds a mean…

A: Given Information: Sample size n=32 Sample mean x¯=67000 Sample standard deviation s=8000…

Q: Market Researchers have become more interested in the potential of social networking sites. But they…

A: Given P=0.7333 n=30

Q: INDTAP Connect - Class:. H Mail - Sanchez, B. nework 7 (Chapter 14) - Part A Q Search this COL The…

A:

Q: Construct the confidence interval for the population mean μ.   c=0.95​, x=16.2​, σ=10.0​, and n= 65…

A:

Q: Determine the critical values that would be used in testing each of the following null hypotheses…

A:

Q: Q 2/ In a certain city, the number of power outages per month is a random variable, having a…

A: From the provided information, Sample size (n) = 22 Probability (p) = 0.7