Suppose the weekly rent of international students in Sydney is normally distributed with a mean of $200 and standard deviation of $50.  Zac is an international student and the Z-score of his weekly rent is 3.59. Find how much he pays per week for the rent.

Q: If these data are converted to deviation scores, the last value (15) would have a value of Y 2 9 11…

A: Solution: The mean of Y is

Q: the scores are normally distributed with a mean of 75 and a standard deviation of 9. What…

A: Note: As per the guidelines, only first three sub-parts (1., 2. and 3.) are solved here. Given data:…

Q: a) If a man is 75 inches (6 feet 3 inches) tall, what is his z-score (to two decimal places)?…

A: Hi, the question has multiple sub-parts. As per the guidelines I am obliged to answer first three…

Q: The height of an adult male is known to be normally distributed with of mean of 69 inches and a…

A:

Q: The weights of men in their 30s are normally distributed with a mean of 190 pounds and a standard…

A: From the provided information, Population mean (µ) = 190 pounds Population standard deviation (σ) =…

Q: Among social work students, the variable "number of textbooks purchased during the academic year"…

A: The Normal distribution is also called as the Gaussian distribution. It is the most common…

Q: If the scores on a test have a mean of 26 and a standard deviation of 4, what is the z score for a…

A: We want to Z-score

Q: A manager is interested in finding the average number of sales per day at a sporting goods store. If…

A: Obtain the sample size. The sample size is obtained below as follows: Use EXCEL Procedure for…

Q: Assume that the mathematics scores on the SAT are normally distributed with a mean of 500 and a…

A:

Q: A z-score of −1 tells us that a score fell one standard deviation below the mean in a group of…

A: Empirical rule: For a normal distribution, the approximate values that fall in the specified…

Q: What is the Z value for a value of X = 60?

A:

Q: A statistics professor announces that 15% of the grades he gives are As. The results of the final…

A: It is given that the mean and standard deviation are 83 and 6, respectively.

Q: Jone works for a Italian dramatic agency whose workers had an average income this past year of…

A:

Q: . A distribution has a coefficient of variation of 65% and mean of 47. What is the value of the…

A:

Q: Which of the below data sets has the lowest standard deviation? You do not need to calculate the…

A: The standard deviation is used to calculate the variability of the data set. It tells us that how to…

Q: Assume the cholesterol levels of adult American women can be described by a Normal model with a mean…

A: Given data,μ=182σ=23

Q: Suppose that monthly rental rates for unfurnished one-bedroom apartment in Springfield are…

A: Let X denote the monthly rental rates for unfurnished one-bedroom apartment in Springfield are…

Q: If the heights of a male youngsters are normally distributed with a mean of 60 inches and a standard…

A:

Q: Annabelle earned a score of 410 on Exam A that had a mean of 450 and a standard deviation of 40. She…

A: Here we need to find the score for exam B such that it is equivalent to the score of exam A. Inorder…

Q: The height of adult men in the United States is normally distributed with a mean of 70 inches and a…

A: Z = -0.67 Mu = 70 S = 3

Q: A normal distribution has a mean of 60 and a standard deviation of 20. Barbara's score is 40. What…

A: It is given that the Normal distribution has a mean 60 and a standard deviation of 20.  Suppose X be…

Q: In general, the larger the animal the longer the length of pregnancy. For the horse, for example,…

A: A z-score represents the position of a data point in terms of its distance from the mean when…

Q: In a factory producing glasses, the weights of glasses are known to have a mean of 160 grams. It is…

A: By looking at a Z table we can conclude that Q1 and Q3 are each .6745 standard deviations from the…

Q: Suppose the average weight for a green apple is 153 grams, with a standard deviation of 27 grams,…

A: GivenFor Green apple Mean(μ)=153standard deviation(σ)=27For Red appleMean(μ)=200standard…

Q: A distribution of exam scores has a mean of μ=80. If your score is X = 74, which standard deviation…

A:

Q: The lengths of pregnancies in a small rural village are normally distributed with a mean of 260 days…

A:

Q: Suppose that the scores on a statewide standardized test are normally distributed with a mean of 71…

A:

Q: Morgan earned a score of 275 on Exam A that had a mean of 300 and a standard deviation of 25. She is…

A:

Q: Addison earned a score of 390 on Exam A that had a mean of 450 and a standard deviation of 25. She…

A:

Q: The scores on the final exam in a statistics course are close to being normally distributed. The…

A: Normal distribution: It is a continuous probability distribution, that is bell-shaped with lighter…

Q: The annual incomes of middle management employees is approximately normally distributed with a mean…

A:

Q: A set of data items is normally distributed with a mean of 60. Convert the data item of 55 to a…

A: Given that: Mean = 60Standard deviation = 5Data item = 55

Q: If the weights of ostriches are normally distributed with a mean of 240 pounds and standard…

A: We have given that,  X be the random variable from normal distribution with mean (μ) = 240 and…

Q: a set of piano prices are normally distributed with a mean of 3000 dollars and a standard deviation…

A:

Q: The credit scores of 35-year-olds applying for a mortgage at Ulysses Mortgage Associates are…

A: (a) Obtain the credit score that defines the upper 5 percent. The credit score that defines the…

Q: Brooklyn earned a score of 850 on Exam A that had a mean of 550 and a standard deviation of 100. She…

A: Here we are to assume that scores on each exam are normally distributed.   For exam A, Brooklyn…

Q: Mason earned a score of 226 on Exam A that had a mean of 250 and a standard deviation of 40. He is…

A: First find the standardised Z score and the make equivalency

Q: Suppose that Jett achieves a score of 1250 on the SAT, and his sister Kate scores 29 on the ACT. The…

A: Given information- For SAT scores- Population Mean µ = 1100 Standard deviation (σ) = 250 For ACT…

Q: The hourly pay of a sample of nurses is approximately normal with a mean of $36.25 and a standard…

A:

Q: The heights of adult men in America are normally distributed, with a mean of 69.3 inches and a…

A: Let "x" be the height of a man.

Q: The heights of adult men in America are normally distributed, with a mean of 69.3 inches and a…

A:

Q: Suppose that water usages in American showers are normally distributed, with an average shower using…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

Q: On the final exam, your friend scored a 93 and you scored a 85. The scores are normally distributed…

A: Obtain the Z-score for the random variable X equals 85. The Z-score for the random variable X equals…

Q: 3. The annual per capita consumption of ice cream (in pounds) in the Philippines can be approximated…

A:

Q: The time is takes a studen to walk from the dorn to the chemistry lab follows roughly a Normal…

A: Mean(µ) = 20 Standard deviations (σ) = 3 X ~ N (µ, σ )= N ( 20, 3)

Q: on an exam, Tom scores 12 points above the mean and has a z-score of z=+2.00. the standard deviation…

A: It is given that the difference between mean and raw score is 12 and the z score is 2.

Q: Suppose the distribution of heights of a group of 300 children is normal, with a mean of 150…

A: Consider the provided data, Number of children = 300 mean, μ=150standard deviation, σ=12 We need to…

Q: The weights of baby tortoises are approximately normally distributed with a mean of 25.6 ounces and…

A:

Q: me mean is 225 and the standard deviation is 28 for a normally distributed variable, what is the x…

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: A statistics professor announces that 15% of the grades he gives are As.  The results of the final…

A: Solution:From the given information, mean score is 83, standard deviation is 6. The fifteen…

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.