In a certain test in Calculus, the mean score of a group of 100 students was 30 andthe standard deviation was 8. In a test in Physics, the mean was 52 and the standarddeviation was 6. If a student scored 65 in Calculus and 70 in Physics, in which test didthe student perform better?O The students performed better in their Physics testO The performance is unable to determine.O The students performed the same in both tests.O The students performed better in their Calculus test

The mean for calculus is 30 and standard deviation is 8, the mean for physics is 52 and standard…

Answered: In a certain test in Calculus, the mean…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

See similar textbooks

Similar questions

Salomé and Latasha began arguing about who did better on their tests, but they couldn't decide who did better given that they took different tests. Salomé took a test in Social Studies and earned a 80.8, and Latasha took a test in Math and earned a 68.1. Use the fact that all the students' test grades in the Social Studies class had a mean of 73.7 and a standard deviation of 10, and all the students' test grades in Math had a mean of 62.1 and a standard deviation of 8.8 to answer the following questions. a) Calculate the z-score for Salomé's test grade. z = b) Calculate the z-score for Latasha's test grade. z = c) Which person did relatively better? Salomé Latasha They did equally well.
The year Lamar graduated college, he got a job as an entry-level software engineer working for a firm in the United States. His starting salary was $93,500. For the year Lamar graduated, the starting salaries of all entry-level software engineers in the United States had a mean of $90,000 and a standard deviation of $3300. Find the Z-score of Lamar's starting salary relative to the starting salaries among all the entry-level software engineers in the United States for the year Lamar graduated. Round your answer to two decimal places. z= 0 ك
Americans (on average) individually eat 16 pounds of seafood each year with a standard deviation of 7 pounds. James samples 40 Americans and finds and average of 14 pounds. How likely is it to get an average of 14 pounds if he had a representative sample?
Erik and Juan began arguing about who did better on their tests, but they couldn't decide who did better given that they took different tests. Erik took a test in Social Studies and earned a 72.8, and Juan took a test in Science and earned a 66.9. Use the fact that all the students' test grades in the Social Studies class had a mean of 72.2 and a standard deviation of 11.1, and all the students' test grades in Science had a mean of 64.2 and a standard deviation of 11 to answer the following questions.a) Calculate the z-score for Erik's test grade.z=z= [Round your answer to two decimal places.]b) Calculate the z-score for Juan's test grade.z=z= [Round your answer to two decimal places.]c) Which person did relatively better? Erik Juan They did equally well.
Lucas and Alex began arguing about who did better on their tests, but they couldn't decide who did better given that they took different tests. Lucas took a test in Math and earned a 73.4, and Alex took a test in English and earned a 70.5. Use the fact that all the students' test grades in the Math class had a mean of 74.1 and a standard deviation of 11.3, and all the students' test grades in English had a mean of 60.9 and a standard deviation of 8.1 to answer the following questions.a) Calculate the z-score for Lucas's test grade.z=z=b) Calculate the z-score for Alex's test grade.z=z=
Skye High School has a total of 500 graduates. The mean SAT score of Skye High School graduates is 947 with a standard deviation of 205. To get into a premier college, a student must score 1000 or more. If 60 students are selected at random, how many graduates can Skye High School expect to get into a premier college?
April and Heather began arguing about who did better on their tests, but they couldn't decide who did better given that they took different tests. April took a test in Science and earned a 74.4, and Heather took a test in English and earned a 69.7. Use the fact that all the students' test grades in the Science class had a mean of 71.3 and a standard deviation of 8.9, and all the students' test grades in English had a mean of 60.5 and a standard deviation of 8.5 to answer the following questions. a) Calculate the z-score for April's test grade. b) Calculate the z-score for Heather's test grade. c) Which person did relatively better? April Heather O They did equally well. Submit Question logi $22 *3 F4 F8 7. 8. %4
A line for tickets to a broadway show had a mean waiting time of 20 minutes with a statistic deviation of 5 minutes. What Percentage of People in line waited for more than 28 minutes?
If someone scored a 17 when the mean is 19 with a SD of 5, what would their score be if the mean were 100 with a SD of 15?
A golf pro claims that his mean golf score is 63. A sportswriter wants to test the claim that his mean score is higher 63. Would this be a left-tailed, right-tailed, or two-tailed test?
Kyle and Caleb began arguing about who did better on their tests, but they couldn't decide who did better given that they took different tests. Kyle took a test in Math and earned a 73.9, and Caleb took a test in Art History and earned a 70.5. Use the fact that all the students' test grades in the Math class had a mean of 73 and a standard deviation of 9,4, and all the students' test grades in Art History had a mean of 62 and a standard deviation of 10.3 to answer the following questions. * a) Calculate the z-score for Kyle's test grade. = 2 b) Calculate the z-score for Caleb's test grade. c) Which person did relatively better? O Kyle O Caleb O They did equally well. MacBook Pro 00 000 esc F4 F5 F6 F7 F1 F2 F3 24 4 %23 tab caps lock C2
A class has an equal number of boys and girls. The boys all got78% on a test and the girls all got 84%.. What are the mean and standard deviation of thetest scores for the entire class?

SEE MORE QUESTIONS

Recommended textbooks for you

A First Course in Probability (10th Edition)

Probability

ISBN:

9780134753119

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability

Probability

ISBN:

9780321794772

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability (10th Edition)

Probability

ISBN:

9780134753119

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability

Probability

ISBN:

9780321794772

Author:

Sheldon Ross

Publisher:

PEARSON

SEE MORE TEXTBOOKS

In a certain test in Calculus, the mean score of a group of 100 students was 30 and the standard deviation was 8. In a test in Physics, the mean was 52 and the standard deviation was 6. If a student scored 65 in Calculus and 70 in Physics, in which test did the student perform better?