The mean and variance of a binomial distribution are 8 and 4 respectively. Find the value of n. Answer:

Q: The ages​ (in years) of a random sample of shoppers at a gaming store are shown. Determine the​…

A:

Q: 55% of college graduates know the name of the Secretary of State for the U.S. You randomly select 5…

A: (a) Obtain the mean of the binomial distribution. The value of the mean is obtained below: Let X…

Q: Sixty-three percent of adults in a certain country believe that life on other planets is plausible.…

A: probability mass function of B.D is = f ( k ) = ( n  k ) p^k * ( 1- p) ^ n-kwhere       k = number…

Q: A survey found that women's heights are normally distributed with mean 63.7 in and standard…

A: In a survey, Height of women follows the normal distribution with mean 63.9 in and standard…

Q: Which z-score is the nearest to the mean? +0.50 +0.75 +1.00 -0.25

A: We will find z-score is the nearest to the mean? +0.50 +0.75 +1.00 -0.25 ?

Q: Find the mean of the binomial distribution. P= (Round to two decimal places as needed.) Find the…

A: Given that  n = 5 , p = 62% = 0.62 , q = 1 - p = 1 - 0.62 = 0.38 X ~ Binomial ( n = 5 , p = 0.62 ) p…

Q: I asked a sample of SCOB instructors how many football games they watched a particular weekend and…

A: From the provided information, The data values are as follow: 0, 3, 4, 1 Sample size (n) = 4

Q: The ages (in years) of a random sample of shoppers at a gaming store are shown. Determine the range,…

A:

Q: Heights of NBA All-Star players are normally distributed. 97.5% of players have a height of 85…

A:

Q: Task-3. How variance and standard deviation is calculated in the grouped data. Write formulas and…

A: Data that is presented in the form of class intervals, such as 50-60, 60-70, and so on, is referred…

Q: For a fair six-sided die, calculate the mean and variance of the distribution of outcomes. What is…

A: Tossing a six sided die is.The sample space S={1,2,3,4,5,6}

Q: A rowing team consists of three rowers who weigh 162, 166 and 170 pounds. Fihd all with replacement…

A: Given population = 162, 166, 170 Population size = 3 Sample size = 2

Q: Forty percent of cans contain apple juice. Let X be the number of apple-juice cans among five…

A: The number of cans n = 5 The probability that the cans contain apple juice p = 0.4 The probability…

Q: The ages (in years) of a random sample of shoppers at a gaming store are shown. Determine the range,…

A: Given data,   12, 17, 23, 15, 14, 18, 21, 16, 14, 15   The objective is to find the Range, Mean,…

Q: r2 = .672 can be interpreted as 67.2% of the variance. Group of answer choices True False

A: Coefficient of determination: The coefficient of determination tells about the percent of variance…

Q: Describe a variable that would likely result in a positively skewed distribution. Justify your…

A: Histogram is used to show the skewness exist in the data set. There are two type of skewness they…

Q: Fifteen percent of U.S. employees who are late for work blame oversleeping. You randomly select four…

A: Suppose a random variable X, defines that the number of U.S. employees who are late for work and…

Q: Fill in the following blank with either the word within or between: The arrows are pointing to which…

A: The arrows are pointing to which type of variance in the data:

Q: A manufacturer knows that their items have a lengths that are approximately normally distributed,…

A:

Q: ls. Find the mean, variance and

A: To find: 1).Mean 2).Variance 3).Standard deviation

Q: Find the mean, variance, and standard deviation for the data set. 6, 13, 7, 3, 11, 9, 15, 4, 17, 15

A: Given that :  6,13,7,3,11,9,15,4,17,15. We find mean, variance and standard deviation.

Q: State whether you would expect the data set to be normally distributed. Amount of credit card debt…

A: A dataset is said to be normally distributed if it is symmetrically distributed and there is no…

Q: The ages (in years) of a random sample of shoppers at a gaming store are shown. Determine the range,…

A:

Q: ompute the range, variance, and standard deviation.  Write a paragraph interpreting your results.…

A: The data set is: Dorm A Dorm B 20 10 7 17 3 4 10 7 7 10

Q: Yi = 5,25,50,100,200.

A:

Q: Solve for the mean, median, mode, standard deviation and  Identify whether there is an outlier. If…

A:

Q: Construct a probability distribution for the sum shown on the faces when two dice, each with 8…

A: From the provided information, Two dice with 8 faces are rolled. Total outcomes = 8 × 8 = 64

Q: Find the range, variance, standard deviation, and coefficient of determination.

A: Concentration of all the values around the central value of the given data is known as measures of…

Q: The heights, in inches, of the four members of a barbershop quartet of singers are listed below.…

A: The value of mean is obtained below:

Q: Four of your classmates measured the diagonal length of the blackboard. Classmate A measured it as…

A:

Q: The ages​ (in years) of a random sample of shoppers at a gaming store are shown. Determine the​…

A: The range of the ages of shoppers at the gaming store:The range is the difference between the…

Q: Add 7 to every output x. What happens to the mean and the variance? What are the new sample mean,…

A: Mean is one of the measures of central tendency and it tells about the middle part of the…

Q: In data analysis, which of the two will you consider the most: Mean or variance? Discuss.

A: Mean is a central tendency,  sum of a collection of numerical data divided by the count of data in…

Q: You want to know if male green darner dragonflies (Anax junius) are territorial so you collect data…

A: Given The data is as follows: Number of male green darners/square meter 7 6 7 7 8 7…

Q: Calculate the mean of the data, and then calculate the deviations for each of the 6 scores. Using…

A: 1. The mean of the data is, μ=1N∑xii=1n=6+10+9+13+14+116=636=10.5 Thus, the mean of the data is…

Q: Sixty-three percent of U.S. households have a personal computer. In a random sample of 400…

A:

Q: Eighty-three percent of adults in a certain country believe that life on other planets is plausible.…

A: The value of mean is 4.15, which is obtained as follows:

Q: Solve the following and get the range and variance with the data 25,27,30,32,32,40,45,46,47,48

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Q: Compare the population variance to the mean of the sample variances. Choose the correct answer…

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Q: Solve for the mean, median, mode, standard deviation and Identify whether there is an outlier. If…

A: For the given data Solve for the mean, median, mode, standard deviation and  Identify whether there…