About 28% of a population are of a particular ethnic group. 130 people are randomly selected from this population. Round all answers to 3 decimal places. Convert the percentage of the population to a decimal: P: Compute the mean and standard of this size sample of this binomial distribution: Mean: Standard Deviation:

Q: Find the margin of error for the given values of​ c, s, and n.   c=0.98​, s=6​, n=13   LOADING...…

A: c=0.98​, s=6​, n=13

Q: Given a set of data that is skewed-left, there is at least _____ % of the data within 3 standard…

A: From the given information, Consider, As it has been given that data is left skewed as a result one…

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: About 25% of a population are of a particular ethnic group. 200 people are randomly selected from…

A: According to the given information, we have Probability, p = 25% Sample size, n = 200

Q: A statistics professor gives a survey to each of the 100 students in an introductory statistics…

A: Obtain the population standard deviation:

Q: For the data shown, answer the questions. Round to 2 decimal places. X 1.6 3.1 15.1 2.2 25.9 12.1…

A: arrange data in accending order : 1.6,2.2,3.1,3.2,12.1,12.5,15.1,22.4,23.5,25.9Sample size : n = 10

Q: Calculate the sample standard deviation for this data set: 65, 48, 70. The formula for the sample…

A:

Q: Find the margin of error for the given values of​ c, s, and n.   c=0.98​, s=3.1​, n=25   LOADING...…

A: Solution: From the given information c=0.98, s=3.1 and n=25.

Q: Use the magnitudes, rounded to three decimal places, of the 100 earthquakes included in the…

A:

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: Some sources report that the weights of full-term newborn babies in a certain town have a mean of 8…

A: Provided information is; Mean(μ) = 8 Standard deviation(σ) =1.2 Let , X be the random variable that…

Q: A binomial distribution has a mean of µ = 20 for a sample of n = 100. What is the value of p? Select…

A: From the provided information, The mean of binomial distribution (µ) = 20 Sample size (n) = 100

Q: Find the mean of each sample. Round each answer to two decimal places. Sample A (in cubic…

A:

Q: Martha has a raw score of 36 and wants to calculate the z-score.  What other information does she…

A: We have given that  Row score x = 36 We have given that.   For Z-score =( x - μ )/?

Q: Use the California method in the linear interpolation formula to estimate the 86.81 percentile for…

A: 86.81th percentile, P86.81= L+h(86.81*n/100-cf.)/f Here L is the lower limit of modal class. h=…

Q: A student takes a multiple-choice test that has 6 questions. Each question has four choices. student…

A: It is given that,  A student takes a multiple-choice test that has 6 questions i.e. n=6 Each…

Q: USE A CALCULATOR  In the 1992 presidential election, Alaska’s 40 election districts averaged 1,956.8…

A: Hey, since there are multiple subpart questions posted, we will answer first three subpart…

Q: A sample of weights (in pounds) for six 12-year-olds is given below:   100 76 92 79 84 90    Find…

A:

Q: A statistics professor asks each of the students in an introductory statistics lecture to fill out a…

A: I have provided the answers using Excel

Q: n below to find the mean, µ. Ro

A: Here use standardized score (z score ) formula to find value of mean

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

A:

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

A:

Q: Checkout times. The checkout times (in minutes) for 12 randomly selected customers at a large…

A: Solution-: We find, (a) The mean of the checkout times ...min (b) The standard deviation of the…

Q: Find the standard deviation for the given sample data. Round your answer to one decimal place as…

A: Formula : Standard deviation :

Q: For the data shown, answer the questions. Round to 2 decimal places. x 25 20.3 18.2 24.3 29.2 25.4…

A: We have given data are  x : 25,20.3,18.2,24.3,29.2,25.4,18 Now, we make the following table for the…

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: About 40% of a population are of a particular ethnic group. 110 people are randomly selected from…

A:

Q: For the data: 58 102 124 161 68 104 102  find: sample mean = sample standard deviation = range =…

A:

Q: Find the mean, the median, and the mode(s), if any, for the given data. Round noninteger means to…

A: Given that the data is                      To find the mean, median, and mode.

Q: A sample of weights (in pounds) for six 12-year- olds is given below: 90 75 85 85 97 91 Find the…

A:

Q: About 43% of a population are of a particular ethnic group. 130 people are randomly selected from…

A: As per bartelby guideline expert have to answer first question only dear student please upload other…