Mathematics, 26.02.2021 04:50 cesargonzaleztovar60
Business Weekly conducted a survey of graduates from several top MBA programs. On the basis of the survey, assume the mean annual salary for graduates 10 years after graduation is $158,000. Assume the standard deviation is $32,000. Suppose you take a simple random sample of 19 graduates. Round all answers to four decimal places if necessary
1.What is the standard deviation of distribution of X?
2.What is the standard deviation of ¯¯¯X?
3.For a single randomly selected graduate, find the probability that her salary is between $151,188 and $159,159.
4.For a simple random sample of 19 graduates, find the probability that the average salary is between $151,188 and $159,159.
For part d), is the assumption of normal necessary
Answers: 2
Another question on Mathematics
Mathematics, 21.06.2019 16:10
Each equation given below describes a parabola. which statement best compares their graphs? x = 2y^2 x = 8y^2
Answers: 2
Mathematics, 21.06.2019 17:00
Aswimming pool is a rectangle with semicircles on the end. the rectangle is 12 meters wide and 30 meters long. the diameter and width of the swimming pool are equal. sketch and label an overhead diagram of the swimming pool. find the area of the swimming pool floor.
Answers: 1
Mathematics, 21.06.2019 19:30
The total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?
Answers: 2
Mathematics, 21.06.2019 20:30
Suppose you just purchased a digital music player and have put 8 tracks on it. after listening to them you decide that you like 4 of the songs. with the random feature on your player, each of the 8 songs is played once in random order. find the probability that among the first two songs played (a) you like both of them. would this be unusual? (b) you like neither of them. (c) you like exactly one of them. (d) redo () if a song can be replayed before all 8 songs are played.
Answers: 2
You know the right answer?
Business Weekly conducted a survey of graduates from several top MBA programs. On the basis of the s...
Questions
Physics, 30.05.2020 14:57
Mathematics, 30.05.2020 14:57
English, 30.05.2020 14:57
Mathematics, 30.05.2020 14:57
Mathematics, 30.05.2020 14:57
Mathematics, 30.05.2020 14:57
