What is the degree of freedom if the sample size is 25.

Q: Identify the sample space for a couple having four children.

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Q: A recent graduate chooses 4 continents to visit from the 7 in the world. What is the size of the…

A: A recent graduate chooses 4 continents to visit from the 7 in the world total=7 choose =4

Q: Determine the sample space for the experiment.  A six-sided die is tossed twice and the sum of the…

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Q: You want to know what percentage of students own pets at your university. In asking 10 random…

A: In an observational study, researcher observes the individuals and measure the outcomes. In this…

Q: c) Find the sample size necessary for a 95% confidence level with maximal margin of error E = 1.10…

A:

Q: Suppose we want to determine the opinion of Business Administration students regarding pre- marital…

A: Given that in a population of size 500, there are 300 females and 200 males.

Q: A government organization is examining the effectiveness of a program intended to shorten security…

A: For a set of n observations X1, X2,...., Xn,  Mean=1n∑i=1nXiStandard deviation=1n∑i=1nXi-X2The 99%…

Q: Would this be a t-test because the sample is less than 30?

A: From the given information, the population standard deviation is 2.

Q: Write the sample space for an experiment where a student is asked how many questions she answered…

A:

Q: One the first day of class, a professor asks each student what country they are from orginally. What…

A:

Q: There are 7 children in a family. The number of children defines a population. Find the number of…

A: Given : N = 7 n = 6

Q: You're the head chair of a popular clan of 30 video-game streamers, who go viral on var streamers…

A: Given that  Sample size=n=30 Formula for degree of freedom  df=n-1

Q: It can be said that a sample is representative of the population. What is meant by this?

A: It is given that the statement about to the sample.

Q: When you throw a dice twice, what is the size of the sample space?

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Q: spinner can and on either red or blue.

A: There are two possible outcomes. Red and blue.

Q: A swim meet consists of two teams, each with 8 players. At the end, each player gives a high five to…

A: Given :  A swim meet consists of two teams, each with 8 players. At the end, each player gives a…

Q: A family wants to have two children. The children can either be male or female. What is the sample…

A: Let B denotes boy and G denotes girl.

Q: Please help me figure out how to find the P value for the sample.

A: Select a cell outside of the "Observed data" and "Expected data" tables.

Q: A student flips a fair coin and then spins this spinner. How would you find the sample space? X W Y…

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Q: A six-sided die is rolled twice and the mean of the two results is solved. Construct the sampling…

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Q: You toss a coin. If Heads comes up you roll a die once, if Tails comes up you roll a die twice. What…

A: When a coin is tossed the two possible outcomes are heads (H) and tails (T). When a die once is…

Q: how do you find the simple random sample of 15 restaurants?

A: In simple random sampling each member of the population has an equal chance of being included in the…

Q: Ron found gold, silver and copper coin on his way home. He asked 10 people to choose a coin…

A: Solution:-Given:Ron found gold, silver and  copper coin on his way home. He asked 10 people to…

Q: Harry has 4 coins. If Harry flips all the coins at once, how large is the sample space?

A: A coin has two sides, head, and tail.  So for each coin, there are 2 possible outcomes.  There are 4…

Q: A sample is part of the population. O True O False

A: Sample: A sample is nothing but it indicates the subset or portion of the population…

Q: How many degrees of freedom does your sample contain?

A: Given that  Sample size=n=30 Formula for degree of freedom  df=n-1

Q: The secretary in a statistics department would like to estimate how much coffee to brew per day such…

A: From the following data we have to calculate mean, standard, and confidence interval

Q: What is the variable of interest? Whether or not a patient is satisfied with the level of care.…

A: The objective of the question is to identify the variable of interest in a given scenario. The…

Q: Both Spinner A and Spinner B have equal-sized sections, as shown at the right. Make a table to…

A: As per given by the question and figure, there are two equal size spinner, spinner A and spinner B…

Q: Each customer entering a department store will either buy or not buy some merchandise. An experiment…

A: To determine the number of sample points in the experiment, we need to consider the possible…

Q: Suppose we want to determine the opinion of Business Administration students regarding pre- marital…

A:

Q: Explain the four different types of sampling and give an example of each.

A: Different types of sampling methods with examples.Types of random samplings(1) Simple random…

Q: A coach is interested in how many slam dunks the average college freshman at his university can do.…

A: Population:Population consists of the complete subjects that are included in the study for making…

Q: Billy has a bag of 30 marbles. He must choose only 6 marbles to bring for show and tell. What is the…

A: Given: The bag contains a total 30 marbles. He will choose only 6 marbles.

Q: A substitute teacher wants to know how students in the class did on their last test. He asks only…

A: Step 1 The sample is 10 students sitting in the front row as the teacher asked only those 10…

Q: Two women are going to give birth to one child each. Give the sample space of the possible outcomes…

A: Solution: From the given information, the gender of child (male, female) and blood group (A, B, AB,…

Q: oms. The researcher picks 2 of the 4 classrooms and asks every 1st grader in the 2 classrooms what…

A: A researcher studying allergies to animals is interested in performing a study at the local…