Business Weekly conducted a survey of graduates from 30 top MBA programs. On the basis of the survey, assume the mean annual salary for graduates 10 years after graduatio is 180000 dollars. Assume the standard deviation is 39000 dollars. Suppose you take a simple random sample of 90 graduates.

Q: Suppose the mean income of firms in the industry for a year is 100 million dollars with a standard…

A: Given,mean(μ)=100Standard deviation(σ)=15

Q: A population has a standard deviation of 18. On average, how much difference should exist for a…

A: It is given the population standard deviation is 18.

Q: In a college entrance exam, the average score of 1,000 test takers is 150 with a standard deviation…

A:

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: what is the probability that the sample mean will be between 350,000 and 365,000?

A: Given that Sample size n = 100 Population mean = 345800 Population SD = 90000

Q: What is the standard deviation on the graph ?

A:

Q: 95% of 80 freshman history students scored between 70% and 80% on a take home quiz. If this data is…

A: Given,  n=80 α= (1-0.95) =0.05 Let X denote the score of freshmen. As per t-distribution table, the…

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: Tiger Woods hits an average driver 287.2 yards with a standard deviation of 24.6 yards. What is the…

A: The probability value is calculate by means of standard normal variate with the random variable,…

Q: nat is the probability that sample will be larger than 670 mg? 2. In a study of the life expectancy…

A: Given Mean μ=70, standard deviations σ=5.1, n=sample size=50,  p( x̄<68)=?

Q: An advertising agency has stated that 20% of all television viewers watch a particular program. How…

A: From the provided information, An advertising agency has stated that 20% of all television viewers…

Q: Recently, a random sample of 25–34 year olds was asked, "How much do you currently have in savings,…

A: From the different savings class we need to find first the class mid point(xi) . And the frequency…

Q: In 1999, the murder rates (per 100,000) for the 50 states and the District of Columbia had a mean of…

A:

Q: Business Weekly conducted a survey of graduates from 30 top MBA programs. On the basis of the…

A: X follows a Normal distribution with mean = 182000 and S.D = 39000 Then z=(x-mean)/SD =…

Q: According to the Bureau of Labor Statistics, the average number of weeks an individual is unemployed…

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: Business Weekly conducted a survey of graduates from several top MBA programs. On the basis of the…

A: we are suppose to answer three sub parts .

Q: Suppose that the average cell phone bill at Bellevue University is $38.90 per month with a standard…

A: Given that, μ=$38.90σ=$3.64n=44 The mean standard deviation of sampling distribution of sample mean…

Q: Find the standard deviation for the number of girls in groups of 14 births when p = 0.5

A: Binomial probability distribution is a type of discrete probability distribution.

Q: Business Weekly conducted a survey of graduates from several top MBA programs. On the basis of the…

A: Given data,Mean μ=136000sd σ=39000n=16

Q: according to the government data the probability that a woman between the age of 25 and 29 was never…

A: Given, Probability that a women between the ages of 25 and 29 was never marries is 40%. i.e. p =…

Q: A study of the Physics and Astronomy department has found that 95% of the graduate students drink…

A: Explanation:Here given the two means and find out the standard deviation of the sample follows the…

Q: statewide, social workers average 10.2 years of experience. In a random sample, 203 social workers…

A: State the hypotheses.

Q: A large number of applicants for admission to graduate study in business are given an aptitude test.…

A:

Q: A major application of analytics in marketing is determining customer retention. Suppose that the…

A: Given The customer leaving for another carrier from one month to the next is 0.14

Q: The head of maintenance at XYZ Rent-A-Car believes that the mean number of miles between services is…

A: Solution: Let X be the number of miles between services. From the given information, X has mean…

Q: Aaliyah is 74 years old. Based on a normal distribution with mean 47.8 and standard deviation 12.6,…

A: GivenAaliyah is 74 years oldx=74Mean(μ)=47.8standard deviation(σ)=12.6

Q: Proctor & Gamble reported that an American family of four washes an average of 1 ton (2000…

A: Introduction:Here, the suggested population mean, μ = 2,000 pounds.The population standard…

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: Business Weekly conducted a survey of graduates from 30 top MBA programs. On the basis of the…

A:

Q: Suppose the mean weight of school children's book bags is 17.5 pounds, with standard deviation 2.2…

A: Given problem Given that   The mean weight of school children's book bags = μ = 17.5 pounds…

Q: Teachers in a city have a normal distribution with an average weekly salary of $ 490 and a standard…

A: Let X denote the teachers in a city and it follows normal distribution with an average weekly salary…

Q: The percent fo Coloradans that own a Subaru is 56%. If you were to take a random sample of size 70,…

A: We have given that,  Let X be the random variable from binomial distribution with probability (p) =…

Q: What is the standard deviation for the number of tails when eight coins are tossed?

A:

Q: A typical adult has an average IQ score of 105 with a standard deviation of 20. If 20 randomly…

A: Given information- Population mean, µ = 105 Population standard deviation, σ = 20 Sample size, n =…

Q: Assume you have a binomial distribution. In an experiment with 100 trials and a probability of a…

A: Given that, n=100 p=1/2 =0.5 Standard deviation=?

Q: Suppose the mean income of firms in the industry for a year is 100 million dollars with a standard…

A:

Q: In a recent survey, 80% of the community favored building a police substation in their neighborhood.…

A:

Q: A recent study found that 69% of all adults over 50 wear sunglasses for driving. In a random sample…

A: Formula : Mean = np Standard Deviation  :

Q: A positively skewed population has a mean of μ= 150 and a standard deviation of σ= 10. What is the…

A: Solution: From the given information, µ = 150 and σ = 10.

Q: Erla rolls six sided dice 15 times. What is the standard deviation of the number of sixes that…

A: Let p be the probability of six  p=1/6, n=15 Let X be the number of sixes in rolling of dice  Then…

Q: Statisticians determined that the mortgages of homeowners in a city is normally distributed with a…

A: Given distribution is normally distributed. Mean=250000 Standard deviation=50000 X~N(μ=250000,…

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: What is the standard deviation?

A: We have to calculate the SD for the given frequency distribution.

Q: Explain the standard deviation?

A: Standard deviation: Both the standard deviation and the variance are based on how much each…

Q: Most graduate schools of business require applicants for admission to take the Graduate Management…

A: Given:  mean =527 standard deviation = 112 Let the scores of GMAT be X Scores on the GMAT are…

Q: Suppose the mean income of firms in the industry for a year is 85 million dollars with a standard…

A:

Q: According to a Pew Research Center analysis of census data, in 2012, 20% of American adults ages 25…

A: As given, 20% of American adults ages 25 and older had never been married. That is, the population…

Q: A racing car consumes a mean of 106106 gallons of gas per race with a standard deviation of 66…

A:

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: What is the Standard Deviation?

A: You want to know about standard deviation.We will deeply understand the meaning of standard…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.