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: Use a normal distribution to estimate the probability of more than 55 girls being born in 100…

A: Given that, The Mean and Standard deviation are, Check the conditions of normal approximation to…

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: Answer = Find the probability that a sample of size n = 92 is randomly selected with a mean that is…

A: given  population  mean  μ  = 120000    population standard deviation σ   = 30000     given sample…

Q: Consider the probability that fewer than 15 out of 145 flights will be delayed. Assume the…

A: Given information: Sample size(n)=145. Probability that a given flight will be delayed(p)=0.11. Here…

Q: Choose four numbers with the largest possible standard deviation. You may use the same number more…

A: Given Information: We are asked to choose four numbers with the largest possible standard deviation.…

Q: Define descriptive statistics?

A: Under statistics, descriptive statistics and inferential statistics are two broad branches for…

Q: Jacob helped his younger sister create a gameboard spinner. The spinner has a 53% chance of landing…

A:

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: Heip The lengths of pregnancies are normally distributed with a mean of 266 days and a standard…

A: a) It is given that the mean is 266 and standard deviation is 15.

Q: Describe about the Converting a Raw Score to z.

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 candy manufacturer has replaced 5.17% of their chocolate bars with a new mystery flavor. Find the…

A: Given: Sample size (n) = 424 p(chocolate bars with a new mystery flavor) = 5.17% = 0.0517

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

A:

Q: Prepare a distribution table and probability histogram for the number of 3s when a die is rolled…

A:

Q: What are the best ways to find the standard deviation?

A: Standard deviation is a measure of variability. It describes how far the data falls from the…

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: What is statistics

A: Statistic is the measurable quality.

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: 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: Choose four numbers with the smallest possible standard deviation. You may use the same number more…

A: The standard deviation is given by

Q: The distances golf balls travel under laboratory testing conditions are normally distributed. The…

A:

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: TV sets: According to the Nielsen Company, the mean number of TV sets in a U.S. household in 2013…

A: given  mean μ=2.24 standard deviation σ=1.2 n=80

Q: National park services, a bureau of the US government responsible for park management, is interested…

A: For current year: The mean can be obtained as: Thus, the mean is 74.56. Arranging the data set into…

Q: In a normal distribution, what percentage of scores falls below and score of -2.33

A:

Q: What is the mean of a distribution of means that is blank the means of the population?

A: Given problem Given that

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.