About 25% of a population are of a particular ethnic group. 200 people are randomly selected from this population. Round all answers to 2 decimal places. Convert the percentage to a decimal: р: Compute the mean and standard of this size sample of this binomial distribution: Мean: Standard Deviation:

Q: Find the standard deviation of the data: 22, 29, 21, 24, 27, 28, 25, 36 O a. 4.8 O b. 2.8 O C. 4.2 O…

A:

Q: Calculate the sample standard deviation using this data for how long it takes a client to buy your…

A: In this problem, we are aksed to calculate the sample standard deviation for the time it takes a…

Q: Find the variance and standard deviation to one decimal place of the ages, in years, of these five…

A: There are total n = 5 observations.

Q: A sample of the number of sick days used by employees at a clinic is as indicated: 0,    0,    1,…

A: Given data 0,0,1,1,2,4

Q: Find the standard deviation for the given data set: 23, 23, 25, 26, 26, 27, 28, 32, 33, 35, 38.…

A: given data, we have to find out the standard deviation for the given data.data set is:23, 23, 25,…

Q: instructor gives a 100-point examination in which the grades are normally distributed. The mean is…

A: It is given that  Mean, μ = 66 Standard deviation, σ = 5

Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

A: It is given that the mean is 116.7 and the standard deviation is 2.

Q: Compute the standard deviation of the sampled proportions if p=.4 and n=500. Round to three places.

A: We want to find standard deviation  X~Binomial(n=500,p=0.4)

Q: These are the heart rates of diabetic patients from a hospital: 81, 104, 116, 120, 111, 81, 116,…

A:

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

A: Given data n=11 69,88,94,99,84,67,98,77,71,62,93

Q: The highway mileage (mpg) for a sample of 8 different models of a car company can be found below.…

A: The highway mileage (mpg) for a sample of 8 different models of a car company is given as:19, 23,…

Q: A manufacturer of bolts has a quality-control policy that requires it to destroy any bolts that are…

A: Given : x¯(mean length)=8 cm σ(standard deviation)=0.10 cm Let  x ( length of the bolt coming from…

Q: On a standardized exam, the scores are normally distributed with a mean of 120 and a standard…

A: Mean(μ)=120 Standard deviation(σ)=10 Raw score(X)=115

Q: Assume that the readings on the thermometers are normally distributed with a mean of 0 degrees…

A: The Z-score of a random variable X is defined as follows: Z = (X – µ)/σ. Here, µ and σ are the mean…

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: Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean…

A: Given: X follows normal distribution with μ=00C Standard Deviation σ=1.000C

Q: Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean…

A: Use GeoGebra. Plug in all the values in the formula.

Q: Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean…

A: Given: Population meanμ=0Standard deviationσ=1

Q: Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean…

A: Given that  A batch of thermometers are normally distributed . Mean ( μ) =  0°C  Standard deviation…

Q: The middle 50% of the heights are between what two values? Round to one decimal place.

A: Here Given, Assume that women have heights that are normally distributed with a mean of 63.6 inches…

Q: Find the mean and standard deviation of the filling numbers:  30,25,10,30,45,60,30,25,20

A: Mean of the filling numbers is Mean=sum of the all numbers /no  of  given observation Mean…

Q: Assume that the readings on the thermometers are normally distributed with a mean of 0 degrees   and…

A:

Q: Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean…

A: Method: Normal distribution

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: ufacturer of bolts has a quality-control policy that requires it to destroy any bolts that are more…

A: Answer Mean [μ] =15Standard deviation [σ ] =0.10It is more than 4 standard deviations..

Q: fill in for standard deviation

A: The data is given for 6 observations. Given that, Mean = 8.5667 Median = 9.05 To find the sd of the…

Q: Find the standard deviation of the following values: 2.58x10-5, 2.33x10-5, 3.28x10-5, 3.57x10-5

A:

Q: and a standard deviation of 1.00°C. A single thermometer is randomly selected and tested.…

A: Given: Assumption:  The readings at freezing on a bundle of thermometers are normally distributed…

Q: Calculate the z-score for the largest value and interpret it in terms of standard deviations. Do the…

A: It is given that mean is 28.766, standard deviation is 3.369, the largest value is 35.100 andthe…

Q: is randomly selected and tested. Find P80, the 80-percentile. This is the temperature reading…

A: It is given that  Mean, μ = 0 Standard deviation, σ = 1

Q: A manufacturer of bolts has a quality-control policy that requires it to destroy any bolts that are…

A: The question is about probability distribution.Given :Mean length of the bolts ( ) = 13 cmStandard…

Q: Find the variance and the standard deviation for the following numbers: 1, 5, 6, 8. Show all your…

A: Given data, 1, 5, 6, 8 Find variance and standard deviation.

Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

A: It is given that the mean is 241.2 and the standard deviation is 0.6.