Suppose income in a population is distributed according to a normal distribution with mean 50000 and standard deviation 20000. Suppose a person is chosen at random from the population. What is the probability that his/her income higher than 50000 Group of answer choices 1 0 .95 0.5

Q: normalized so this is the case). What is the probability that a randomly selected group of 100…

A: Given: The average IQ of a population is 100 with standard deviation 15. sample size (n) = 100

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: 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: Suppose the distribution of serum cholesterol values in undergraduate men is approximately Normally…

A: GivenMean(μ)=190standard deviation(σ)=40

Q: The life time of a particular steel plate used in constructions has a normal distribution with a…

A: we have given that, the construction normally distributed with mean (mu)= 80 and standard deviation…

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

A: Assume the standard deviation is 40000 dollars. Suppose you take a simple random sample of 53…

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: Suppose one value is selected from a uniform distribution with a = 0 and b = 11. What is the…

A: Given: X~U(0,11) a=0 b=11

Q: About 78​% of all female heart transplant patients will survive for at least 3 years. Ninety female…

A: Given information- Population proportion, p = 0.78 Sample size, n = 90 The sample proportion is- We…

Q: The probability that a marriage will end in divorce within 10 years is 0.25. What are the mean and…

A: Solution :  Given that  The probability that a marriage will end in divorce within 10 years is 0.25.…

Q: The time it takes to drive through the middle of campus follows a uniform distribution with a…

A:

Q: Suppose the salaries of a company that pays to its employees are normally distributed with an…

A:

Q: Suppose you are doing a sample of 25 from a population that follows normal distribution with the…

A: Given data,Mean μ=95sd σ=15P(X<92)=?

Q: The mean daily production of a herd of cows is assumed to be normally distributed with a mean of 33…

A: Answer: From the given data, The mean daily production of a herd of cows is normally distributed…

Q: Find the probability that the mean height of the sample is greater than 58 inches.

A: Assume that the height of adult females in the United States is approximately normally distributed…

Q: Suppose that in a large population of women (aged 20 to 29-years-old) that the mean serum…

A: From the given information ,Population mean , 183Population standard deviation , 37sample size , n =…

Q: ular steel plate used in constructions has a normal distribution with a mean

A: Given: μ=80, σ=9 The corresponding z-value needed to be computed:

Q: Suppose that the ages of all SCC students are normally distributed with mean 24.01 yrs and s.d. 5.31…

A: Given data, Mean μ=24.01sd     σ=5.31P(X>20)=?

Q: Suppose the mean income of firms in the industry for a year is 30 million dollars with a standard…

A:

Q: The time taken in the cycling phase of a triathlon has a mean 23.16min and standard deviation…

A: The objective of this question is to find the probability that the mean cycling time taken by a…

Q: Suppose that the distribution for total amounts spent by students vacationing for a week in Florida…

A: Answer:- Given     X ~ N(μ, σ )                      Where mean μ   = 650        &    standard…

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

A:

Q: The time taken in the cycling phase of a triathlon has a mean 23.16min and standard deviation…

A: The objective of this question is to find the probability that the mean cycling time taken by a…

Q: Can we use the Normal distribution to calculate probabilities for the weekly income of an individual…

A: From the Histogram, Data is right skewed There is no symmetry Low income - more students High income…

Q: rding to National Health Survey heights of men are normally distributed with mean of μ=69.0  inches…

A: Here it is given that - Mean (μ) = 69 Standard deviation (σ) = 2.5 Let X denotes the heights of men…

Q: If 200 scores a taken at random from a normal distribution with mean 70 and standard deviation 5,…

A: From the given information,  the value of mean is 70, standard deviation is 5 and sample size (n) is…

Q: Problem 1. One study on the effects of cannabis used rats as test organisms; data in the table below…

A: Note: Hi there! Thank you for posting the question. As your question has more than 3 parts, we have…

Q: The national average SAT score is 1027 with standard deviation σ=92  . What is the probability that…

A: Let "M" be the mean score of the SAT.

Q: The mean daily production of a herd of cows is assumed to be normally distributed with a mean of 34…

A: Answer: From the given data, The mean daily production of a herd of cows is assumed to be normally…

Q: A waitress keeps track of the tips she earns and knows that her mean tip is 15% with a standard…

A: We have been given that a waitress keeps a track of the tips that she earns and knows that her mean…

Q: Suppose the mean income of firms in the industry for a year is 25 million dollars with a standard…

A: Suppose the random variable x defines the income of firms in the industry.

Q: 7. Use R: Suppose the yearly income of people in Minnesota is normally distributed with mean 45,700…

A: Here, μ=45,700, σ=2,830, and n=10.

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.