2. A researcher wants to know the average scores of students in statistics class, he wants to chooses 10 from 100 students. if he wants to use the systematic random sampling method what is the value of K th (K th is the ordering of a member of the population is selected for the sample):

Q: 2. The population consists of 1,200 people. How will a researcher choose from this population a…

A: It is given that the population consists of 1,200 people and the researcher choose a simple random…

Q: In a hospital, there are N= 5000 patient records and a simple random sample of n = 15 will be drawn.…

A: Total number of patient records = N = 5000  Number of samples will be drawn randomly = n = 15 We are…

Q: A simple random sample of size n=49 is obtained from a population with μ=83 and σ=28. ​(a) Describe…

A: If the sample size (n) is large (greater than or equal to 30), then the sample mean follows normal…

Q: d) If the class consists of 15 males and 15 females, assign the males the numbers from 1 to 15 and…

A: A simple random sampling means randomly selecting a sample from a population where each sample has…

Q: The following table shows the number of shirts by sizes that are manufactured in a dactory in a…

A: In stratified sampling the entire population is divided into homogeneous subpopulations called…

Q: A sampling plan is desired to have a producer's risk of 5% and a consumer's risk of 10% at AQL=2.3 %…

A:

Q: A simple random sample of size n = 33 is obtained from a population with µ = 82 and σ = 23. What is…

A: Given that: Mean (µ) = 82 Standard deviation (σ) = 23 Sample size (n) = 33 X~N (82, 23)

Q: 17. The best approach for creating a stratified random sample of a population involves: A. drawing…

A: We have to select  The best approach for creating stratified random sample of a population involves…

Q: Suppose a simple random sample of size n= 200 is obtained from a population whose size is N=20,000…

A: a) Consider that p is the population proportion and p̂ is the sample proportion, where n is size of…

Q: What is the probability of randomly selecting a sample of n = 36 with a value greater than M = 63…

A: given: M=63 n=36 mean=60 standard deviation = 12

Q: a) in a random sample of 5 customers, 60% of them use a cashpoint machine at least once a month? b)…

A: here given , a bank claims that 80% of its customers use a cashpoint at least once a month  p =0.80…

Q: B. The event organizer plans to give 9 complimentary tickets to the presidents of the school…

A: We have to distribute : 9 tickets out of 50 presidents Now we have to answer for mentioned…

Q: Suppose a simple random sample of size n= 36 is obtained from a population that is skewed right with…

A: Answers are (b) P(x- > 77.8) = 0.0446   (c)  P(x- ≤ 61.6) = 0.0094

Q: is believed that the percent of female STEM majors at a particular college Is 29%. b)Fill in the…

A: Given : percent of female STEM majors at a particular college, p = 0.29 Sample size , n = 100 Here…

Q: 2. A) In a study, the sample is chosen by dividing the population by Gender, and choosing 30 people…

A: Stratified sampling. Stratified sampling is a type of sampling method in which the total population…

Q: 8.2 A manufacturer of band saws wants to estimate the average repair cost per month for the saws he…

A:

Q: The following table shows the number of shirts by sizes that are manufactured in a factory on a…

A: Given, The size of the entire sample (Ni)=375 Population size (N)=(390+470+520+680+440)=2500 Size of…

Q: Suppose a simple random sample of size n= 64 is obtained from a population that is skewed right with…

A: Given, Sample size =64  mean =82 Standard deviation = 32 b)…

Q: This overall sample is a. simple random sampling. b. stratified random sampling c.…

A:

Q: A company maintains three offices in a certain region, each staffed by two employees. Information…

A: Number of ways two employees can be selected from given six employees are :  C26=6!2! . 4!=15 a)…

Q: claim a random sample of N = 15 parts will be taken and if more than two defective parts are found

A: Given: sample size, n = 15 p = 10% = 0.10 x =2 more than two defective parts are found P(X > 2)

Q: Which of the following statements is true about cluster sampling? Once clusters are selected,…

A: Cluster sampling: In random sampling, it is presumed that the population has been divided into a…

Q: . A sample of size 2 is taken from a population of odd numbers 1, 3, 5, and 7. a. What is the…

A: As per the Bartleby guildlines we have to solve first three subparts and rest can be reposted....…

Q: A population consists of a batch of 24,649 aspirin tablets, and it includes 902 that are defective…

A:

Q: Suppose we are using systematic random sample and we want to select a sample of 100 units from a…

A: From the given information, population size N = 21156. Sample size n = 100. Starting point of the…

Q: 1. How many possible samples of size 2 can be formed? 2. List all these possible samples and…

A: here given box contains 4 balls numbered 1,3,5,7 two balls are chosen from this box with…

Q: 4. A random sample of n = 60 measurements is obtained from a population with µ = 192 and o =…

A: Given, Population is infinite. Sample size=n= 60Population mean=μ=192Population sd=σ =43

Q: A sampling plan is desired to have a producer's risk of 5% and a consumer's risk of 10% at AQL~2.3 %…

A: Answer :

Q: 4. Suppose we take a random sample of size n of Penn State University Park students, and ask each of…

A: As per our company guidelines we are supposed to answer only first 3 sub-parts. Kindly repost other…

Q: A researcher is conducting a study with a population of 7,346 people. She wants a sample size of 80.…

A: Consider, the identity k: k=Population size/sample size  =7346/80  =91.825  ≈92

Q: Consider a finite population with five elements labeled A, B, C, D, and E. Ten possible simple…

A:

Q: 4 7 8 9. 10 Withdrawal symptoms may occur when a person using a painkiller stops using it. For a…

A: Given: The proportion of people who have stopped using painkillers (p)=12/100 Sample size(n)= 8 The…

Q: Suppose a simple random sample of size n=64 is obtained from a population that is skewed right with…

A: (a) The value of P(x>89.8) is 0.4052, which is obtained below:…

Q: Suppose a simple random sample of size n=125 is obtained from a population whose size is N=10,000…

A:

Q: 2. A manufacturer of window frames knows from past experience that 10 per cent of the production…

A: Let X be the random variable from binomial distribution with probability (p) = 10% = 0.10 and sample…

Q: At a Stanford university, 37% of the students support the green party. Suppose a sample of size 94…

A: Given: Population proportion=p=0.37,Sample size=n=94.

Q: Suppose you are a researcher and you are interested in determine the consumption behavior of all…

A: Introduction: Stratified sampling: In stratified sampling, the population is sub-divided into…

Q: 1) Suppose we roll a regular six-sided die three times and note whether it lands as an even number…

A: Given that, we roll a regular six-sided die three times and note whether it lands as an even number…

Q: Suppose a sample of size 2 is randomly selected from the population, with replacement, as follows.…

A: Sampling distribution of the sample mean is an important concept in statistics.

Q: f a random sample of 165 is taken from the entire population by systematic sampling. From which…

A: Systematic sampling: When the population units occur in a sequence or pattern and a sample of size n…

Q: What is the number of samples?

A: It is given that Sample size for January = 100 Sample size for March = 100 Sample size for June =…

Q: a. Lester puts the numbers 01 to 20 in a bag. Without looking, he draws the numbers 11, 19, and 03.…

A: Provided information is: A consumer group wishes to estimate the average time a person waits in a…

Q: 1. Consider a population of size 5: {1, 2, 3, 4, 5}. From this population, a sample size of n=2 is…

A: Given: Population size N = 5 Formula Used: Mean X = ∑Xin Population variance σ2 = ∑Xi-μ2N Sample…

Q: 12) A newspaper article about the results of a poll states: "In theory, the results of such a poll,…

A: Here AS PER POLICY I HAVE CALCULATED FIRST MAIN QUESTION PLZ REPOST FOR REMAINING  Here confidence…

Q: 14. The proportion of hospitals in Example A of Section 7.2 that had fewer than 1000 discharges is p…

A: Given that the proportion of discharges fewer than 1000 is p = 0.654.Sample size = 25.According to…

Q: A radio advertiser wishes to choose a sample of size 100 from a population of 5000 listeners. He…

A: In stratified random sampling we divide the population into equal parts then we select proportional…

Q: 4. Let X be a random variable with values 2, 3, 5, and 6. Find the sampling distribution of the mean…

A: here given population 2,3,5 and 6  here sample of size n =2 are selected

Q: A farmer sows 100 seeds of a new type of corn and wants to quickly determine the yield, or total…

A: Here the population size = 100 Digits for representing the population : 00-99 (2 digit number)

Q: c) If you take a sample of size 571 from the original population where p is 5%, can we say that the…

A: It is given that: Population size (N)=22000 population proportion (p)=0.05    c). It is given that…