A Question Completion Status: 10 2 3 4 5 6 7 8 9 10 A Moving to another question will save this response. Question 2 Question 2 of 10 > 1 points Save Answer On a history test Patrick received a grade of 43 out of 50. The class mean was 35 with a standard deviation of 6. His girlfriend Kristin, in another section, received a grade of 87 out of 100. Her class mean was 75 with a standard deviation of 10. z-score for Patrick's grade = (round to two decimal places) (round to two decimal places) z-score for Kristin's grade = Who received the higher grade relative to their respective classes? Why? Moving to another question will save this response. Q Search A F4 DII LO a Question 2 of 10>> 1:48 5/30/2 PrtScn Home End PgUp PgDn FB F9 F10 711 F12 FS F6

A Question Completion Status: 10 2 3 4 5 6 7 8 9 10 A Moving to another question will save this response. Question 2 Question 2 of 10 > 1 points Save Answer On a history test Patrick received a grade of 43 out of 50. The class mean was 35 with a standard deviation of 6. His girlfriend Kristin, in another section, received a grade of 87 out of 100. Her class mean was 75 with a standard deviation of 10. z-score for Patrick's grade = (round to two decimal places) (round to two decimal places) z-score for Kristin's grade = Who received the higher grade relative to their respective classes? Why? Moving to another question will save this response. Q Search A F4 DII LO a Question 2 of 10>> 1:48 5/30/2 PrtScn Home End PgUp PgDn FB F9 F10 711 F12 FS F6

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

See similar textbooks

Similar questions

Mario's weekly poker winnings have a mean of $353 and a standard deviation of $67. Last week he won $185. How many standard deviations from the mean is that?
Marjorie More Mileage is obsessed with getting the best gas mileage possible for her 2017 Toyota Prius. She learns from the official Toyota web site that the official average mileage for all 2017 Prius is = 58.2 mpg with a standard deviation of = 1.2 mpg. Marjorie purchased a set of “hyper mileage” tires on-line that are supposed to improve gas mileage. For the next 100 fill ups, Marjorie noticed an average gas mileage of = 58.5 mpg. Help Marjorie perform a hypothesis test at a 1% level of significance to determine if her new tires actually improved her gas mileage. What is the null hypothesis? What is the alternate hypothesis? Is this a left tail, right tail, or two tail test? Calculate the test statistic. State your conclusion.
An incoming MBA student took placement exams in economics and mathematics. In economics, she scored 82 and in math 89. The overall results on the economics exam had a mean of 70 and a standard deviation of 7, while the mean math score was 69, with a standard deviation of 10. On which exam did she do better compared with the other students?
An environmental researcher took 30 water samples from different areas of a lake. He measured the pH level of each water sample. The standard deviation for the 30 pH levels was about 1.4.What is the best interpretation of the standard deviation? The pH level of a typical water sample was about 1.4 units from the mean on average. The difference between the minimum and maximum pH levels was about 1.4 units. The entire lake had a pH level that was about 1.4 units. The pH level of any given water sample was about 1.4 units from the mean. - this one is wrong
The average on the Math section of the SAT was 500 with a standard deviation of 100. What score must you earn to be in the top 10% of test-takers?
An incoming MBA student took placement exams in economics and mathematics. In economics, she scored 82 and in math 87. The overall results on the economics exam had a mean of 71 and a standard deviation of 7, while the mean math score was 69, with a standard deviation of 10. On which exam did she do better compared with the other students? Since she scored standard deviations V the mean in economics and standard deviations V the mean in mathematics, she did better on the exam. (Round to two decimal places as needed.)
on a nationwide math test,the mean was 63 and the standard deviation was 7. if roberto scored 75,what was his z-score?
Jerome made a grade of 89.7 on his test. The mean of the test scores was 71.4 with a standard deviation of 6.8. In what top percent can Jerome say he is, based on the tes
Valentina obtained a score of 75 in a science exam and 90 on her English exam. on which test did she show better performance to the rest of the class? consider the mean and standard deviation values for science is 80 and 8 respectively and for English are 140 and 25.
grade was 74 and the standard deviation was 12. She received a grade of 72 on her biology exam, where the mean grade A student Pat was done taking midterms. She received a grade of 82 on her statistics exam, where the mean grade was 88 and the standard deviation was 6. In what class did Pat relatively score better? Explain. Give answers to was 65 and the standard deviation was 10. Lastly, she received a grade of 91 on her kayaking exam where the mean 2 decimal places as needed.
Joe went bowling in two leagues. In the first league, the mean bowling score is 167 with a standard deviation of 44. In the second league the mean bowling score is 180 with a standard deviation of 36. If he bowls a game of 201 in both leagues, in which league is this score the best in comparison to other bowlers? Explain.
500 freshmen at Crescent High School took an algebra test. The scores were distributed normally with a mean of 75 and a standard deviation of 7. What percentage of scores are between scores 68 and 82?