Homework Answers
Total number of seniors = 500
2/5 the of 40 % of 500 went to the local university
40% of 500 = 200
Now, 2/5 th of 200
= 2/5 × 200 = 80
80 seniors from this high school are actually attending the local university.
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10. Upon graduation from high school, 2/5th of 40% of 500 seniors went to the local...
Upon graduation from high school, 2/5th of 40% of 500 seniors went to the local university....
Upon graduation from high school, 2/5th of 40% of 500 seniors went to the local university. How many seniors from this high school are actually attending the local university? A. 160 B. 80 C. 40 D. 200 11). At a local car dealership, the ratio of convertible cars to nonconvertible cars is 7:18. Given this ratio, what is the percentage of nonconvertible cars at the dealership if there are a total of 1000 cars on the lot? A. 28% B....
duyur. Umur (10.) Upon graduation from high school, 2/5th of 40% of 500 seniors went to...
duyur. Umur (10.) Upon graduation from high school, 2/5th of 40% of 500 seniors went to the local university. How many seniors from this high school are actually attending the local university? A. 160 B. 80 C. 40 D. 200 11. At a local car dealership, the ratio of convertible cars to nonconvertible cars is 7:18. Given this ratio, what is the percentage of nonconvertible cars at the dealership if there are a total of 1000 cars on the lot?...
A guidance counselor at a local high school is arranging a trip for 262 graduating seniors...
A guidance counselor at a local high school is arranging a trip for 262 graduating seniors to visit Wake Tech. The counselor will use small vans and large vans to transport students to Wake Tech. The total number of vans used for the trip is 30. The small vans can carry 7 students, and the large vans can carry 11 students. a. Construct a system of linear equations that models this scenario. Let S represent the number of small vans...
13. 10 pts. The following are the math SAT scores of 15 high school seniors from...
13. 10 pts. The following are the math SAT scores of 15 high school seniors from three different high schools. Apply the Kruskal-Wallis test to determine whether there is a difference in SAT scores between the three high schools using a 0.05: . School 1: 498, 582, 527, 480, 549 . School 2: 435, 360, 372, 413, 512 . School 3: 608, 515, 661, 637, 554
An SRS of 500 high school seniors gained an average of x 25 points in their...
An SRS of 500 high school seniors gained an average of x 25 points in their second attempt at the SAT Mathematics exam. Assume that the change in score has a Normal distribution with standard deviation ơ-54. (a) Find a 90% confidence interval for the mean change in score μ in the population of all high school seniors. (Enter your answers rounded to two decimal places.) lower bound of confidence interval: upper bound of confidence interval: (b) What is the...
2. (10 pt) A reseracher estimates that the dropout rate for seniors at high schools in...
2. (10 pt) A reseracher estimates that the dropout rate for seniors at high schools in a state in USA is 15%. Last year, 38 seniors from a random sample of 200 seniors in this state withdew from school. At a = 0.05, is there enough evidence to reject the reseracher's claim? Show your work, explain and draw a conlusion.
(4)Five hundred students from a local high school took a college entrance examination. Historical data from the school record show that the standard deviation of test scores is 40. A random sampl...
(4)Five hundred students from a local high school took a college entrance examination. Historical data from the school record show that the standard deviation of test scores is 40. A random sample of thirty- six students is taken from the entire population of 500 students. The mean test score for the sample is three hundred eighty. Find (a) 95% confidence interval for the unknown population mean test score. (b) 95% confidence interval for the unknown population mean test score if...
Problem 10 (10 points). High school A and B play a series of local basketball championship...
Problem 10 (10 points). High school A and B play a series of local basketball championship games until one of them wins three games. Suppose that the games are independent and the probability that High school A wins a game is 0.60. (1) Find the probability that the series ends in live games. (2) If the series ends in five games, what is the probability that School A wins?
The school of science, engineering and design at a local university regularly purchases a particular type...
The school of science, engineering and design at a local university regularly purchases a particular type of electrical component. 40% are purchased from company A, and 60% are purchased from company B. 2% of those supplied by company A and 5 % of those supplied by company B are known to be defective. The components are identical and thoroughly mixed upon receipt. A component is selected at random. Give answers below as decimals rounded to 3 decimal places. a) What...
Upon graduation from high school, 2/5th of 40% of 500 seniors went to the local university. How many seniors from this high school are actually attending the local university? A. 160 B. 80 C. 40 D. 200 11). At a local car dealership, the ratio of convertible cars to nonconvertible cars is 7:18. Given this ratio, what is the percentage of nonconvertible cars at the dealership if there are a total of 1000 cars on the lot? A. 28% B....
duyur. Umur (10.) Upon graduation from high school, 2/5th of 40% of 500 seniors went to the local university. How many seniors from this high school are actually attending the local university? A. 160 B. 80 C. 40 D. 200 11. At a local car dealership, the ratio of convertible cars to nonconvertible cars is 7:18. Given this ratio, what is the percentage of nonconvertible cars at the dealership if there are a total of 1000 cars on the lot?...
A guidance counselor at a local high school is arranging a trip for 262 graduating seniors to visit Wake Tech. The counselor will use small vans and large vans to transport students to Wake Tech. The total number of vans used for the trip is 30. The small vans can carry 7 students, and the large vans can carry 11 students. a. Construct a system of linear equations that models this scenario. Let S represent the number of small vans...
13. 10 pts. The following are the math SAT scores of 15 high school seniors from three different high schools. Apply the Kruskal-Wallis test to determine whether there is a difference in SAT scores between the three high schools using a 0.05: . School 1: 498, 582, 527, 480, 549 . School 2: 435, 360, 372, 413, 512 . School 3: 608, 515, 661, 637, 554
An SRS of 500 high school seniors gained an average of x 25 points in their second attempt at the SAT Mathematics exam. Assume that the change in score has a Normal distribution with standard deviation ơ-54. (a) Find a 90% confidence interval for the mean change in score μ in the population of all high school seniors. (Enter your answers rounded to two decimal places.) lower bound of confidence interval: upper bound of confidence interval: (b) What is the...
2. (10 pt) A reseracher estimates that the dropout rate for seniors at high schools in a state in USA is 15%. Last year, 38 seniors from a random sample of 200 seniors in this state withdew from school. At a = 0.05, is there enough evidence to reject the reseracher's claim? Show your work, explain and draw a conlusion.
(4)Five hundred students from a local high school took a college entrance examination. Historical data from the school record show that the standard deviation of test scores is 40. A random sample of thirty- six students is taken from the entire population of 500 students. The mean test score for the sample is three hundred eighty. Find (a) 95% confidence interval for the unknown population mean test score. (b) 95% confidence interval for the unknown population mean test score if...
Problem 10 (10 points). High school A and B play a series of local basketball championship games until one of them wins three games. Suppose that the games are independent and the probability that High school A wins a game is 0.60. (1) Find the probability that the series ends in live games. (2) If the series ends in five games, what is the probability that School A wins?
The school of science, engineering and design at a local university regularly purchases a particular type of electrical component. 40% are purchased from company A, and 60% are purchased from company B. 2% of those supplied by company A and 5 % of those supplied by company B are known to be defective. The components are identical and thoroughly mixed upon receipt. A component is selected at random. Give answers below as decimals rounded to 3 decimal places. a) What...
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