Business  weekly conduct a survey of graduates from 30 top MBA programs on the basis of the survey assume the mean annual salary for the graduates 10 years after graduation is 122000 assume the population standard deviation is 34,000 supposed to take up simple random sample of 95 graduates. find the probability that a single randomly selected salary is less than 126000 dollars. Enter your number accurately to 4 decimal places.

Q: What is the probability that a first grade classroom of 20 students who are chosen randomly from the…

A: Given Information: Mean μ=100 Standard deviation σ=15 Sample size n=20

Q: If the daily wage of a worker in a large factory has an average of 180 usd, the standard deviation…

A: Given: mean: 180 usd, standard deviation: 5 usd, n = 75.The required probability is…

Q: The amount of time students study for a test is normally distributed with a mean of 3 hours and a…

A: Mean=μ=3Standard.deviation=σ=1.8Samplesize=n=30

Q: ii, 20 coins are flipped each with a probability of 0.5 that it will be heads. What is the standard…

A:

Q: The average amount of time to finish this quiz is 26 minutes with a standard deviation of 1.2…

A: Consider the given information.

Q: According to the Department of Education, 60% of college students enjoy taking Statistics. Suppose…

A: Let  X be the number of students who enjoy taking Statistics in a sample of 200. Given n = 200…

Q: Scores for a standardized test are normally distributed with a mean of 1200 and a standard…

A: given data μ = 1200σ = 60 normal distributionn = 64P(1200<x¯<1214) = ?

Q: The amount a household spends on groceries per week is normally distributed with a mean of $250 and…

A: given data, normal distributionμ=250σ=45n=121probability the sample mean spent on groceries per week…

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: die (10-sided, with the numbers 1-10 on its faces) is rolled 450 times. Find the standard deviation…

A: Given die (10-sided, with the numbers 1-10 on its faces) is rolled 450 times

Q: The length of human pregnancies from conception to birth varies according to a distribution that is…

A: Given that.   X~N( μ , ?)   μ=266     , ?=16   Z-score =( x - μ )/?

Q: On the Gulf Freeway at 7:00 AM, the average travel time from Beltway 8 to Downtown is 29.5 minutes…

A: We have given that the random variable X i.e. travel time is normally distributed with average(mean)…

Q: the distribution of heart rates for women ages 20-39 is approximately normal with a mean of 73 beats…

A: The mean is 73 and the standard deviation is 15.9.

Q: When Noah goes bowling, his scores are normally distributed with a mean of 135 and a standard…

A: Let X be the Noah goes bowling, his scores are normally distributed  mean μ=135, standard deviations…

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

A: we haven=90

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: Average ACT = 540 with a standard deviation of 134. What is the probability that a high school…

A: X~N( μ , ?)μ=540     , ?=134Z-score =( x - μ )/?

Q: IQ scores for students at a prestigious university are normally distributed with a mean of 110 and a…

A:

Q: A customer service department receives on average 150 calls per day with a standard deviation of 30…

A: The mean is 150 and standard deviation is 30.

Q: A recent study revealed that 49% of adult Americans believe human activity contributes a great deal…

A:

Q: Determine the probability of seeing a Z score of -5.28 or one with a larger absolute value.

A: Z = -5.28 P( Z > -5.28) = 1 – P(Z < -5.28) = 1 – 0 = 1 P(Z < -5.28) = 0 (From Excel…

Q: The probability of winning a certain lottery to stay in a lodge near Antelope Valley Canyon is 1 For…

A:

Q: In 2000, the average height of a woman aged 20–74 years was 64 inches with an increase of…

A:

Q: The lengths of lizards aged 2 to 8 years from an island in the pacific are approximately normal with…

A:

Q: The mean points obtained in an aptitude examination is 187 points with a standard deviation of 13…

A: Calculation:Denote μ as the true population mean of points. Hence, μ = 187.The sample is of size n =…

Q: The time spent waiting in the line is approximately normally distributed. The mean waiting time is 5…

A: given data,normal distribution μ=5σ=3probability that person will wait more than 9 minutes =?

Q: at is the probability that you could randomly

A: mean = 112.5 standard deviation = 16.4 What is the probability that you could randomly select a…

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

A:

Q: ow that a random individual will fall between 107 and 103 .if the mean IQ is 100 the standard…

A: Consider a random variable X which represents IQ of the individual.    X follows normal distribution…

Q: amount of money an American spends on Holiday presents is normally distributed with a mean of $650…

A: given data, normal distributionμ=$650σ=$80probability that a randomly selected American spends less…

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

A:

Q: You are to pick 4 numbers from 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20 such that the 4 numbers…

A:

Q: The life of light bulbs is distributed normally. The mean life time of a bulb is 520 hours and the…

A: Answer: Using the given data, Let X represent the life time of a light bulb X follows normal…

Q: The time until recharge for a battery in a laptop computer under common conditions is normally…

A:

Q: An IQ test has a mean of 100 and a standard deviation of 15. An elite engineering company wants to…

A: Let X be the IQ test score of engineer. The mean is μ=100. And a standard deviation σ=15. Assume…

Q: The amount of money an American spends on Holiday presents is normally distributed with a mean of…

A: Given Mean=650 Standard deviations=80

Q: Visit finance.yahoo.com and download data of 5 stocks you might be interested to invest in.…

A: Without a doubt! When thinking about making investments in stocks, it is essential to review…

Q: The ACT math scores of a particular high school in New Jersey are approximately normally…

A: Given data, σ=100P(200<X<800)=0.997By using emperical formula99.7% of data lies within μ-3σ…

Q: hompop f 1 1,220 2 1,563 3 716 4 590 Total 4,089 응 29.8% 38.2% 17.5% 14.4% 99.9% c.f C.% 1,220 29.8%…

A: hompopf%c.fc.%1122029.8%122029.8%2156338.2%278368.0%371617.5%349985.5%459014.4%408999.9%4089

Q: Suppose that weight of men in a population has a normal distribution with mean 60 Kg and standard…

A: Formula : Z =(X - μ)/σ

Q: Edit question fast please. The lengths of Atlantic Croaker Fish are normally distributed with mean…

A: Here's mean is 10 and standard deviation is 2. We will use z-standard normal distribution.

Q: Find the probability that a single randomly selected salary that doesn't exceed 181000 dollars.…

A: The random variable X is defined as the salary for graduates which follows normal distribution with…

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.