"Given are the set of ages of 9 middle-management employees of a certain company: 53, 45, 59, 48, 54, 46, 51, 58, and 55. Compute for the standard deviation." O 52.11 25.11 5.01 53

Q: 2. 2. Provided that a large group of students has ages that are normally "distributed with a mean of…

A: Given dataMean = 22Standard deviation = 2a)Since the data is normally distributed about mean 22. So,…

Q: 5 students in a college were selected at random and their ages were found to be 18, 21, 19, 20, and…

A: Given : 18, 21, 19, 20, and 26.

Q: Fire! An insurance company estimates that it shouldmake an annual profit of $150 on each…

A:

Q: 6. Based on data from a college, scores on a certain test are normally distributed with a mean of…

A:

Q: A hotel manager must distribute salary raises for next year.  She has decided that the mean raise is…

A: From the provided information, Mean (µ) = $2,000 Standard deviation (σ) = $400 Let X be a random…

Q: what would be the z-score?

A: here given p = population proportion of Americans have experienced times when they haven't been able…

Q: 3 3 The brain volumes (cm) of 20 brains have a mean of 1073.7 cm and a standard deviation of 125.3…

A: From the provided information, Mean = 1073.7 cm3 Standard deviation = 125.3 cm3

Q: Freshman 15 The term "Freshman 15" refers to the claim that college students typically gain 15 lb…

A: The objective of this question is to find the probability that a randomly selected male college…

Q: Admission to a certain university is determined by an entry exam. The scores of this exam are…

A: Given P(X>x)=0.03

Q: Suppose that 14 children, who were learning to ride two-wheel bikes, were surveyed to determine how…

A: We have to answer questions related to data statistics.

Q: A small computing center has found that the number of jobs submitted per day to its computers has a…

A: GIVEN DATA  normal distribution  μ = 93σ = 11

Q: Assume that human body temperatures are normally distributed with a mean of 98.18°F and a standard…

A:

Q: The following stem-and-leaf diagram represents the number of cars sold over a period of 16 days in…

A: Steam and leaf is a presentation of data, which helps us to picturise the data set better. We will…

Q: The ages (in years) of the 5 employees at a particular computer store are the following.   23, 21,…

A:

Q: Assume that the length of time (in minutes) that someone waits to see a medical doctor follows a…

A: Solution: a. Let X be the length of time that someone waits to see a medical doctor. From the given…

Q: deviation of 5 months. Using the 68-95- rule, what is the approximate percentage of cars that remain…

A: Here use impirical rule for bell shaped distribution with mean 38 months  and standard deviation 5…

Q: A random sample of 17 chemists from Washington state shows an average salary of $49093 with a…

A: Given Data: x1=49093        s1=536         n1=17x2=45101        s2=631         n2=15   Calculating…

Q: Compute the standard deviation of the following set of data to the nearest whole number: 21, 22, 23,…

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Q: Intelligence quotas on two different tests are normally distributed. Test A has a mean of 100 and a…

A:

Q: The monthly salaries (in thousands of dollars) of a sample of 5 sales representatives are as…

A: Step 1: Given that  12, 11, 7, 8, 7  Arrange the given data ascending order  7, 7, 8, 11, 12…

Q: 37) Assume that adults have IQ scores that are normally distributed with a mean of 98.2 and a…

A: Let  X be the random variable from Normal distribution with mean (μ) = 98.2 and standard deviation…

Q: Subtract 10 from each item in the given sample, and compute the mean and standard deviation of the…

A: Given data set 34,48,47,20,20,30,12 sample size(n)=7   after subtracting 10 from each value in the…

Q: A survey found that women's heights are normally distributed with mean 63.8 in and standard…

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Q: What percentage of buyers paid between $14,500 and $16,000? %

A: Here Given Figure for the Normal distribution with  Mean=μ=$16,000σ=$ 500

Q: 45. A consignment of 180 articles is classified according to the size of the article as under. Find…

A: We want to find the standard deviations and coefficient of variation.

Q: 1. A box contains tickets 1, 1, 2, 2, 3. (The average of the tickets is 1.8 and the standard…

A: Given Information: There are five tickets in the box. (1, 1, 2, 2, 3) The average of the tickets is…

Q: A recent survey reported that 37% of 18- to 29-year-olds in a certain country own tablets. Using the…

A: Given,n=6p=0.37A random variable X~Binomial(n=6 , p=0.37)P(X=x)=6x0.37x1-0.376-x  ;   x=0,1,2,....6

Q: A World Health Organization study of health in various countries reported that in Canada, systolic…

A: Given,mean(μ)=121standard deviation(σ)=16

Q: Suppose that ACT scores and SAT scores have means and standard deviations according to the table…

A: Note:Hi There! Thank you for posting the question. To avoid plagiarism issues, we have used the…

Q: The maintenance department at the main campus of a large state university receives daily requests to…

A: Empirical rule is also known as 68-95-99.7

Q: 13.24 Sleep. The distribution of hours of sleep per school night, among high school seniors, is…

A: Empirical rule ( 68-95-99.7 rule ) :  According to empirical rule ,  68% of data falls within the…

Q: 2,222 dollars. Test the hypothesis that the true value of property lost in burglaries is more than…

A: The provided sample mean is Xˉ=2222\bar X = 2222 and the known population standard deviation is…

Q: 3. Two bowlers bowl the following number of strikes in 9 games. 1st bowler 6. 8. 4 6. 2nd bowler 10…

A: Let X1 be the random variable such that number of strikes in games by the 1st bowler x¯1: Sample…