QUESTION 2 The population of computer parts has the size of 547. The proportion of defective parts in the population is 0.34. For the sample size of 231 taken form this population, find the standard deviation of the sampling distribution of the sample proportion (standard error). Round your answer to four decimal places.

Q: or the data shown, answer the questions. Round to 2 decimal places. X 21.3 14.3 23.2 2.1 10.3 18.1…

A: The data set of x is given.

Q: Suppose you select a sample of 2,000 high school seniors' verbal SAT scores. The mean and standard…

A:

Q: Find the standard deviation of the lengths of the wolves in the entire animal preserve.

A: The mean of the lengths of the wolves in the entire animal preserve is,…

Q: Multiplying every score is a sample by a constant value will change the value of the standard…

A: Standard deviation is a measure of the amount of dispersion of a set of values. It is obtained by…

Q: The size of the sampling error is Select one: a.Inversely related to the sample size, i.e., the…

A: We have to find correct statement.

Q: Calculate the standard score (z-score) of the given sample mean. Round your answer to two decimal…

A: Given,mean(μ)=12standard deviation(σ)=5sample size(n)=83sample mean(x¯)=11

Q: Sixty-one students were asked at random how much they spent for classroom textbooks this semester.…

A: Given:Margin of error(E)=7Standard deviation(s)=28.70

Q: A researcher measures the amount of food consumed by each dog in her lab. She finds that the mean…

A: It is given that mean amount of food is 12 oz and number of dogs is 16. The sum of squared…

Q: Find the mean for the given sample data. Round your answer to one more decimal place than that used…

A: We know that mean m of data is given by         m=(sum of terms) ÷ ( no. of terms)

Q: A successful basketball player has a height of 6 feet 8 ​inches, or 203 cm. Based on statistics from…

A: Consider X is a random variable defined as the height of a successful basketball player.The provided…

Q: The weights of people in a certain population are normally distributed with a mean of 158 lb and a…

A: Given data,Mean μ=158sd     σ=21If n=7Find the mean and standard error of the mean?

Q: A population has mean 35 and standard deviationa-19. Find and o- for samples of sze 100. Round your…

A: Introduction: Denote X as a randomly selected observation from the population of interest. It is…

Q: Find the range, the standard deviation, and the variance for the given samples. Round non-integer…

A:

Q: The ACT math scores of a particular high school in New Jersey are approximately normally…

A: According to the empirical rule of normal distribution, in a normally distributed data set 68%, 95%,…

Q: Calculate the % relative standard deviation of three sample preprations if the calculated%…

A: Three sample  : N = 396% , 94% , 98% We have to calculate (% relative standard deviation) % relative…

Q: you know 10% of the people in Amsterdam describe themselves as hipsters. you ask 400 respondents if…

A: Solution: Given data : p = 10% = 0.10 Sample size (n) = 400 To find: standard deviation of the…

Q: consider sample data with  x = 100  and  s = 4. Compute the coefficient of variation. Round to two…

A: Data given x=100, s=4

Q: This population has a mean of 50. If we took an infinite number of samples and got the mean of each…

A:

Q: For the following situation, find the mean and standard deviation of the population. List all…

A: Here the word counts of five essays are given as follows; 507 ,620 ,  544 , 603 , 582. It is…

Q: The following are distances (in miles) traveled to the workplace by 6 employees: 13, 14, 9, 11, 3,…

A:

Q: The mean of the sample means equals The population standard deviation. The population mean. The…

A: As per central limit theorem Mean of sample means  is x̅ = μ x̅ = sample mean μ = Population mean

Q: 442 12 Value Frequenc 2. 6.

A: The following table is given, value Frequency 2 4 3 4 4 2 5 1 6 2

Q: ind the range, the standard deviation, and the variance for the given samples. Round noninteger…

A: The given sample observations are:74, 70, 79, 81, 89, 72, 66, 78, 77, 73, 95 The objective is to…

Q: Professor Zuro surveyed a random sample of 420 statistics students. One of the questions was "Will…

A: GivenTotal no. of statistics students(n)=420No.of students said yes for math class(x)=252

Q: Find the critical value. The critical value is zo =. %3D

A: Given α=0.10

Q: The manager of a department store wants to estimate the average amount of money a customer will…

A:

Q: If the coefficient of variation for a data is given as 35%, and the standard deviation for the same…

A: given data coefficient of variation = 35% so cv = 0.35 sd = 32 mean  = ?

Q: There are four brothers in a family.  Their ages are 7 years,10 years,15 years, and 21 years.…

A: x x2 7 49 10 100 15 225 201 441 ∑x = 53 ∑x2 = 815 n = 4

Q: Calculate the standard score (z-score) of the given sample mean. Round your answer to two decimal…

A: It is given that the mean is 18 and the standard deviation is 6.

Q: Calculate the standard score (z-score) of the given sample mean. Round your answer to two decimal…

A:

Q: A statistics professor surveys all 100 of the students in an introductory statistics lecture. The…

A: In this context, it that the professor conducts the survey on all 100 students in an introductory…

Q: d. Determine the sample standard deviation. Round your answer to 2 decimal places. e. Determine the…

A: The data set are :- X :- 29.6 32.4 38.7 42.4 44.5 46.4 49.0 60.8 70.2 Then,  We will find sample…

Q: Assume you have taken 125 samples of size 81 each from a population. The population variance is 64.…

A: answer is 0.88

Q: The tourist bureau of the Caribbean Islands surveyed a sample of 5 United States tourists as they…

A: Standard deviation :

Q: A student studying statistics wants to look at data for his favorite sport, American football. He…

A: It is given that that a student collect data on the lengths of 100 field goals from various games…

Q: A simple random sample of 100 observations was taken from a large population. The sample mean and…

A: Givensample size(n)=100Mean(x)=81standard deviation(s)=9

Q: In the 1992 presidential election, Alaska's 40 election districts averaged 1980 votes per district…

A: Given Information: Alaska's 40 election districts averaged 1980 votes per district for President…

Q: You want to know the percentage of utility companies that earned revenue greater than 94 million…

A: Given Mean(μ)=60standard deviation(σ)=15