Suppose the data concerning the first-year salaries of Baruch graduates is normally distributed with the population standard deviation σ = 15000 dollars. Find the probability of a randomly selected Bharuch graduate earning less than 45,000 dollars annually.
Suppose the data concerning the first-year salaries of Baruch graduates is normally distributed with the population...
1. Suppose that the data concerning the first-year salaries of recent graduates is normally distributed with the population mean -S60000 and the population standard deviation ơ S15000. (20 points) Find the probability of a randomly selected recent graduate earning less than $45000 annually Find the probability of randomly selecting a recent graduate that makes more than S80000 a year, given the same normal distribution. Find the range of annual salaries of the top 15% earners, given the same distribution of...
A study on salaries of recent graduates from a certain college are normally distributed with mean and standard deviation . Use the information to answer questions #1-6. You may use manual, technology, or table for computation, but you need to show work to justify your computation. 1. Suppose your starting salary is $55,000. a. determine the z-score b. interpret your z-score in terms of percentile (ranking) in the context of the population. 2. Find proportion for which the salary of...
The weekly salaries of teachers in one state are normally distributed with a mean of 560.0 dollars and a standard deviation of 39.0 dollars. What is the probability that a randomly selected teacher earns more than 605.0 a week? My answer, B, is not correct. The weekly salaries of teachers in one state are normally distributed with a mean of 560.0 dollars and a standard deviation of 39.0 dollars. What is the probability that a randomly selected teacher earns more...
The average starting salary of this year’s graduates of a large university (LU) is $55,000 with a standard deviation of $4,000. Furthermore, it is known that the starting salaries are normally distributed. What is the probability that a randomly selected LU graduate will have a starting salary of at least $52,700? Individuals with starting salaries of less than $45,00 receive a free class. What percentage of the graduates will receive the free class? What percent of graduates will have their...
Suppose the lengths of the pregnancies of a certain animal are approximately normally distributed with a mean of μ=188 days and a standard deviation of σ=13 days. What is the probability that a randomly selected pregnancy lasts less than 184 days?
A population is normally distributed with μ=200 and σ=25. a. Find the probability that a value randomly selected from this population will have a value greater than 245. b. Find the probability that a value randomly selected from this population will have a value less than 190. c. Find the probability that a value randomly selected from this population will have a value between 190 and 245.
Suppose the lengths of the pregnancies of a certain animal are approximately normally distributed with means mu equals 255 days μ=255 days and standard deviation sigma equals 14 day σ=14 days. (a) What is the probability that a randomly selected pregnancy lasts less than 250 days? The probability that a randomly selected pregnancy lasts less than 250 is approximately?
assume the salaries of elementary school teachers in the United States normally distributed with a mean of 32,000 and a standard deviation of 3,000. If 100 teachers are randomly selected, find the probability that their mean salary is less than 32,000
Assuming that men’s weights are normally distributed with a mean of 172 lb. and a population standard deviation of 29 lb. Find the probability that 36 randomly selected men have a mean weight of less than 167 lb.
2. The average starting salary for this year's graduates at a large university (LU) is $50,000 with a standard deviation of $8,000. Furthermore, it is known that the starting salaries are normally distributed. a. What is the probability that a randomly selected LU graduate will have a starting salary of at least $61,900? b. Individuals with starting salaries of less than $36,800 receive a low income tax break. What percentage of the graduates will receive the tax break? Please if...