You may need to use the appropriate appendix table or technology to answer this question. It is known that the population variance equals 524. What is the sample size that needs to be taken if the desired margin of error is 4 or less with 0.95 probability? O 125 O 126 O 503

Q: A coffee machine dispenses coffee into paper cups. You're supposed to get 10 ounces of coffee, but…

A: The data shows the amount of coffee for 20 cups.

Q: Create a collection of 7-12 numbers of your choice (e.g., 13,7,6,1,5,11,2). Find the following…

A: It is given that create a collection of 7-12 numbers.

Q: Calculate the Sample Variance for the following data set: 4, 5, 3, 0.

A: Given data, 4, 5, 3, 0.

Q: You may need to use the appropriate technology to answer this question. A magazine subscriber study…

A: The question is about categorical data analysis Given :   To find : a ) Test that the type of…

Q: A six-sided dice is rolled. Four points is scored if the roll comes up with 5 or 6, one point if it…

A:

Q: You may need to use the appropriate technology to answer this question. The sample data below…

A: Given, The sample data below represent the number of late and on time flights for three airlines.\…

Q: use a ti84 device to solve. A quality control expert at Glotech computers wants to test their new…

A: Given: X~Nμ, σ The value of n is 121. The value of μ= 85 The value of σ is estimated as, σ = 49 = 7…

Q: Question: A fair die is rolled 52 times. It was determined that the die rolled: one 9 times, two 4…

A: The below table shows the calculate the probabilities of each number of a fair die:

Q: According to a recent report, 21% of all adults routinely skip breakfast. A researcher believes this…

A:

Q: What is the variance of the following population of scores? scores: 5,2,5,4

A:

Q: A coffee machine dispenses coffee into paper cups. You're supposed to get 10 ounces of coffee, but…

A: A random sample of 20 cups is given. We have to find the degrees of freedom.

Q: The mean and standard deviation of a population are 200 and 20, respectively. Sample size is 25.…

A:

Q: Consider the following data: 9, 11, 14, 14, 1, 9, 5 Step 1 of 3: Calculate the value of the sample…

A: The given data values are,  9, 11, 14, 14, 1, 9, 5 The value of sample mean is,

Q: Surveys are a common data collection method that involves asking a set of questions to a sample of…

A: The question is about sampling method.Introduction :1 ) The method or process of drawing/selecting…

Q: Roll two ordinary dice and let Y be their sum. a. Compute the pmf for Y exactly. b. Compute the mean…

A:

Q: Consider throwing a die 20 times. Let X be the number of times th outcome is less than 3. Find the…

A: Given that  n=20  , p=2/6=1/3 , q=1-p=1-(1/3)=2/3 X=Number of times the outcomes less than 3…

Q: . What statistical test should he use to analyze the data?

A:

Q: Forty-minute workouts of one of the following activities three days a week will lead to a loss of…

A: Given information: The data represents the number of calories burned during 40-minute workouts for…

Q: Before a random sample has been drawn, which of the following is true? I. II. III. The sample…

A: The correct option is I only.

Q: Find the variance and standard deviation of the following sample. 0    -5    -3    6    4    -4…

A:

Q: In a 25-unit sample of a variable with a population average of 50, the Mean was 53 and the variance…

A: To find: The value of the test statistic As here Sample size is less than 30. We use t-test…

Q: About 4% of the population has a particular genetic mutation. 300 people are randomly selected.…

A: It is given that, About 4% of the population has a particular genetic mutation i.e. probability that…

Q: A bakery sells homemade bread by the loaf and sales are uniformly distributed between 200 and 600…

A: Hello! As you have posted 2 different questions, we are answering the first question . In case you…

Q: The city of Hampton is surveying households to see if the number of cats per household has changed…

A: The objective of the question is to identify the appropriate statistical test to determine if the…

Q: Minister of Education Inese Puuce measured the English test scores of every child in the Grand Duchy…

A:

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.