0.1. State and prove Bayes Theorem Q2 Explain Simple Random Sampling & Stratified Random Sampling Please solve both.

Q: The countries of Europe report that 46% of the labor force is female. The United Nations wonders if…

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Q: 11. [Chapter 15] Suppose that a random variable in the population is distributed X~(µx = 100,0x =…

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Q: Suppose there is a market test in which students will try two different brands of soft drinks. your…

A: p = 0.5 n = 200

Q: Suppose that we have disjoint normal populations A and B with unknown population variances.…

A: Given, Suppose we have a sample of size 10 from population A and a sample of size 15 from population…

Q: R adjusts for the sample size and the number of B parameters in the model and will therefore be…

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Q: If H0 is true and we reject it is called:    A. Type-I error  B. Sampling error  C. Type-II error…

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Q: Suppose that 2¬Y, are a random sample. Suppose Y and y are both unbiased estimators of x based on…

A: It is an important part of statistics. It is widely used.

Q: According to the Official Stage Magician Handbook, magic rábbit weight (Ibs.) is normally…

A: It is given that the, According to the Official Stage Magician Handbook, magic rabbit weight (lbs.)…

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: A researcher wishes to​ estimate, with 99​% ​confidence, the population proportion of adults who eat…

A: Proportion is almost similar to the concept of probability. Proportion is a fraction of population…

Q: A genetic theory says that a cross between two pink flowering plants will produce red flowering…

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Q: 26 - Find the variance Varyansı bulunuz. Si f 2 4 4 7 6 3

A: The variance is calculated as σ2=∑f(si-s¯)∑fs¯=∑fsi∑f

Q: 2. Use Slovin's Formula to compute for the value of n (number of samples) needed if the percentage…

A: Sample is taken from the population. It represent any fraction of the population. The technique used…

Q: answer the given question please

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Q: 8. The Central Limit Theorem states that: A. if n is large then the distribution of the sample can…

A: Consider that a random variable X have mean µ and standard deviation σ.

Q: A company believes that it controls more than 30% of the total market share for one of its products.…

A: It is given that the A company believes that it controls more than 30% of the total market share for…

Q: A researcher wishes to​ estimate, with 90​% ​confidence, the population proportion of adults who eat…

A: Given information: Significance level = α = 1 - 0.90                                    = 0.10…

Q: For any sample of size 100, the population mean, the mean of the sampling distribution for the…

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Q: 4.8 Two Discrete Random Varlables: The Binomlal and the Polsson 4.42 A biologist randomly selects 10…

A: 4.42)  Given: A biologist randomly selects 10 portions of water, each equal to .1 cm³ in volume,…

Q: Calculate value of (t) if: first sample mean = 45, second

A: Given information: x¯1=45x¯2=51σx¯1-x¯2=3

Q: Suppose that we have disjoint normal populations A and B with unknown population variances.…

A: Given, Suppose we have a sample of size 10 from population A and a sample of size 15 from population…

Q: Suppose that a simple random sample is taken without replacement from a finite population of size N.…

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Q: t-test is used for a two-sample study.  However, all of the calculations for the test are done on a…

A: *Answer:

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 researcher wants to study the impact of a new artificial sweetener on blood glucose. He is…

A: The appropriate experiment is to be identified, where the two-sample z-test can be applied to…

Q: A researcher wishes to​ estimate, with 99​% ​confidence, the population proportion of adults who…

A: From the provided information, Margin of error (E) = 2% or 0.02 Confidence level = 99%

Q: . A double sampling plan is desired that has a producer’s risk of 0.05 at AQL=3.4% and a consumer’s…

A: Here we have given  AQL = 0.034   LQL = 0.09,   producer's risk α = 0.05 , Consumer's risk β =0.10 ,…

Q: = 63 and a second sample has SS = 45. a. Assuming that n = 10 for both samples, find each of the…

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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: Let X be the mean of a random sample drawn form a population with a mean µ and variance o? =9 . Find…

A: Confidence interval: It is defined as the range that contains the value of the true population…

Q: According to the Official Stage Magician Handbook, magic rabbit weight (lbs.) is normally…

A: Normal distribution is a continuous distribution which has many real life applications. A standard…

Q: a) It was discovered that the sizing of some shirts was labelled incorrectly. (i) State two…

A: In cluster sampling, population is divided into groups called clusters and entire cluster is…

Q: Since the population size is always larger than the sample size, then the sample statistic Select…

A: Sample statistic value depends on the which population units including in the sample. So that the…

Q: Which of the following statements is one of the advantages of simple random sampling method? Always…

A: One of the main advantages of simple random sampling method is it is always feasible in practice.

Q: Suppose that we have disjoint normal populations A and B with unknown population variances. Suppose…

A: For Population A, n1=10s12=11s1=3.31662479   For Population B, n2=15s22=7s2=2.645751311   To check :…

Q: Suppose 50% of the bumblebee bats are female. 25 bumblebee bats are selected at random and the…

A: Given that n =25 , p= 0.5

Q: Using the Formula n=1/(ME)2 to Determine Sample Size When we want 95% confidence and use the…

A: n=1/(ME)2

Q: (i) Test the claim that p is less than 0.301. Use ? = 0.05.   (a) What is the level of…

A: (a) From the information given, the level of significance is 0.05. Thus, the level of significance…

Q: How many possible random samples of size n = 3 can be drawn from a population of size 10?

A: The sample size n is 3 and the population size is 10.

Q: If We can assert with 95% that the maximum error is 0.05 and p= 0.2 ,find the sample size..

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Q: Ken is a sports teacher in a college and he wants to examine whether there is any difference in the…

A: The random variable is maximum vertical jumps. There are two dependent samples which are before…

Q: 2. The operations manager of a sales company wants to see whether there is a significant difference…

A: Introduction: Denote μ1, μ2 as the true mean ages of male and female customers, respectively.

Q: Which of the statements below is true:a. Larger sample sizes produce greater sampling errorb. Larger…

A: Since we know the formula for Margin of error is- From this formula we can see that margin of error…

Q: For a population with μ = 50 and σ = 18, the distribution of sample means based on n = 9 will have a…

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Q: Ken is a sports teacher in a college and he wants to examine whether there is any difference in the…

A: Any assumption about the parameter or probability function is known as hypothesis testing . For the…

Q: According to the Official Stage Magician Handbook, magic rabbit weight (Ibs.) is normally…

A: Obtain the Z-score for the sample mean of the random variable equals 6.5. The Z-score for the sample…

Q: dependent random samples are selected from two populations and are used to test the hypothesis Ho:…

A: a) The p-value is 0.113.

Q: Standard Error from a Formula and a Bootstrap Distribution Use StatKey or other technology to…

A: Let p denotes the true population proportion. Provided that the sample proportion is p^=0.60 and the…