At their inauguration, the ages of the first six (out of a current number of 45) presidents of a certain country were 55,64,61,65,64 and 53.Find the standard deviation of the ages at inauguration of the first six presidents.
At their inauguration, the ages of the first six (out of a current number of 45) presidents of a certain country were 55,64,61,65,64 and 53.
Find the standard deviation of the ages at inauguration of the first six presidents.
Want to see the full answer?
Check out a sample Q&A here
Related Statistics Q&A
Find answers to questions asked by students like you.
Q: According to police sources, a car with a certain protection system will be recovered 90% of the…
A: Given problem is a binomial distribution with:
Q: The average age of all employees is 25 years, and the standard deviation of the ages of all…
A: Given Data Population Mean,μ = 25.0 Population Standard Deviation,σ = 3.0 sample…
Q: Out of a total of 10 college books estimate the standard deviation of their ages if the oldest…
A: Introduction: The minimum age of a textbook is 1.3 years. The maximum age of a textbook is 7.9…
Q: Suppose the country club bills based on a sample of 4 members are: 410, 1,089, 637, 961. What is the…
A: Given information- We have given the country club bills based on a sample of 4 members. 410, 1,089,…
Q: Mary Bartel, an auditor for a large credit card company, knows that, on average, the monthly balance…
A: The standard deviation is 56. Mary audits 50 accounts. That is n=50
Q: If on an average 8 ships out of 10 arrive safely at a port, find the mean and standard deviation of…
A: Click to see the answer
Q: A history class has 75 members. If there is a 12% absentee rate per class meeting , find the…
A: Given data P(absent) = p = 0.12 So q= 1-p = 0.88 Sample size (n)= 75 X = no. of student absent We…
Q: If you buy one ticket everyday for 365 days, find the mean and standard deviation for the numbers of…
A: Click to see the answer
Q: A new species of dragonfly has an approximate body length of 45 mm with a standard deviation of 3…
A: Click to see the answer
Q: The average public elementary school has 468 students with a standard deviation of 87. If a random…
A: Normal distribution, also known as the Gaussian distribution, is a probability distribution that is…
Q: The average public elementary school has 468 students with a standard deviation of 87. If a random…
A: Given: Mean=μ=468 Standard deviation=σ=87
Q: The average public high school has 468 students with a standard deviation of 87. If a public school…
A: Given, mean=μ=468 and standard deviation=σ=87.
Q: The standard deviation of (1,9,8,4) is approximately?
A: Given Information: 1,9,8,4
Q: A quiz consists of 20 true or false questions. If the student guesses on each question what is the…
A: Solution: Let X be the number of correct answers and n be the number of questions. Since the…
Q: The average age of accountants is 53 years, with a standard deviation of 5 years. If an accounting…
A: We have to find probability..
Q: A population has μ = 50 and σ = 5. If 10 points are added to every score in the population, what are…
A: Consider, (µ) = 50 and (σ) = 5 Let, X be the scores of the population. If 10 points are added to…
Q: Of all the companies on the New York Stock Exchange, profits are normally distributed with a mean of…
A: Given data: Mean = $6.54 million Standard deviation = $10.45 million Sample size = 73 To find: what…
Q: The average age of all employees is 25 years, and the standard deviation of the ages of all…
A: Given,sample size(n)=100mean(μ)=25standard deviation(σ)=3
Q: What is the standard deviation of the following: 48, 47, 43, 27, 16, 11
A: Standard deviation : The standard deviation is the average amount of variability in your data set.…
Q: Find the standard deviation for the set of numbers. 5, 11, 9, 20, 19, 7,7, 11, 17
A: Standard deviation :σ=1N∑i=1Nxi-μ2whereμ=MeanN=count of numbers∑x=sum of numbers
Q: A group of 123 bunnies had a mean hopping distance of 48 inches and a standard deviation of 3.5…
A: To find the number of: a) Bunnies will hop between 41 and 44.5 inches b) Bunnies will hop between 48…
Q: statewide, social workers average 10.2 years of experience. In a random sample, 203 social workers…
A: State the hypotheses.
Q: Suppose that during any hour in a large department store, the average number of shoppers is 448,…
A: Given:
Q: Find the standard deviation for the set of numbers. 10, 14, 10, 11, 5, 10, 5, 17, 12, 19
A: Click to see the answer
Q: The standard deviation of (1,9,8,4) is approximately what?
A: Click to see the answer
Q: Find the standard deviation for the number of people with the genetic mutation in such groups of…
A: Click to see the answer
Q: Suppose 36% of movie goers say comedy is their favorite genre. If a random sample of 120 movie goers…
A: Obtain the mean number of movie goers that prefer comedy. The mean number of movie goers that prefer…
Q: According to a survey, the average height of NBA players is 78 in. with a standard deviation of 7…
A: We have given that, X is random variable are normally distributed with average or mean (mu) = 78…
Q: What is the probability that exactly one of the sample individuals carries the gene? What is the…
A: Given:a).We will use Poisson to calculate these probabilities.λ=meanThe calculation for \lambda…
Q: What is the standard deviation of the following: 50, 34, 41, 43, 30, 50
A: Calculate Population Standard deviation (σ), Sample Standard deviation (S) from the following…
Q: What is the standard deviation of the following: 43, 22, 48, 17, 29, 43
A: Click to see the answer
Q: Seven students on an intramural team weigh 179 lb, 172 lb, 174 lb, 185 lb, 162 Ib, 181 Ib and 193…
A: According to the provided information, the sample weights are 179, 172, 174, 185, 162, 181, 193
Q: The average age of accountants is 43 years, with a standard deviation of 5 years. If an accounting…
A: From the given information, Mean = 43 Standard deviation = 5 Sample size = 30
Q: There is an 85% chance that a randomly selected person will take their own re-usable bags to the…
A: Click to see the answer
Q: What is the standard deviation of the following: 38, 36, 49, 36, 43, 35
A: Click to see the answer
Q: Since a population has a mean of 73.5 and a standard deviation of 2.5, what is the probability that…
A: We have to find given probability.....
Q: What is the standard deviation of the following: 39, 30, 44, 13, 30, 32
A: Click to see the answer
Q: Of all the students, 44% own an iPhone, with a standard deviation of .03 If you took a sample of…
A: INTRODUCTION: BINOMIAL DISTRIBUTION : Let X be a discrete random variable that is said to follow…
Q: What is the standard deviation of the following: 35, 12, 46, 21, 29, 46
A: We have given data, 35, 12, 46, 21, 29, 46 Then, We will find the standard deviation (s) = ?
Q: A car salesman has a .2 probability of selling a car (or more than one car) each day. In 100 days…
A: There are two possible outcomes in this case. That is, probability of selling a car and probability…
Q: Find the mean and standard deviation for the number of girls in 8 births.
A: Click to see the answer
Q: The monthly utility bills in a city are normally distributed, with a mean of $100 and a standard…
A: X follows a Normal distribution with mean = 100 and S.D = 13 Then z=(x-mean)/SD = (x-100)/13…
Q: In a given year, the average annual salary of a cricket player was $205 000, with a standard…
A: The probability that the sample mean will be less than $210,000 is,…
Q: Suppose a certain population of observations follows a bell-shaped distribution. Based on the…
A: We need to recall that bell shaped distribution is symmetric about the mean μ. Suppose σ is the…
Q: Let n be a number of students volunteer to plant 4 saplings. If each student plants at least one…
A: Click to see the answer
Q: According to a research institution, the average hotel price in a certain year was $97.27. Assume…
A: Given: Average hotel price by research institution μ=$97.27 Population standard deviation σ=$21.00…
Q: Find the probability that a sample of 18 has a sample mean below 32. The population mean is 24 and…
A: Central Limit Theorem for mean: If a random sample of size n is taken from a population having mean…
Q: A fitness instructor at a large gym would like to know if the individuals that take fitness classes…
A: Morning steps mean should be greater than Evening
Q: If 80% of the applicants are able to pass a driver's license proficiency road test. Find the mean,…
A: Click to see the answer
Q: The buffet has an average wait line of 45 minutes, with a standard deviation of 15 minutes. If we…
A: Given Data Population Mean,μ = 45.0 Population Standard Deviation,σ = 15.0
