A student's grades for a math course are given below.1.Percentage of Final Grade StudentGradeItem EvaluatedReceivedQuizzes1063 %Tests50Midterm1057%Assignments1092 9%Exam2065%What is the student's final grade to one decimal place?O74.780.2

Answered: A student's grades for a math course…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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pls answer a,b,c without using excel. pls use paper so i can understand thank youu
question: mark achieved 48 marks on the last test. Calculate his percentile. What mark would give the 80th percentile? marks: 22, 26, 30, 34, 38, 40, 43, 46, 48, 48, 49, 52, 56, 56, 66, 72, 72, 79, 81, 88 please show all steps.
Penalty Shots in World Cup Soccer A study¹ of 138 penalty shots in World Cup Finals games between 1982 and 1994 found that the goalkeeper correctly guessed the direction of the kick only 41 % of the time. The article notes that this is "slightly worse than random chance." We use these data as a sample of all World Cup penalty shots ever. Test at a 5 % significance level to see whether there is evidence that the percent guessed correctly is less than 50 % . The sample size is large enough to use the normal distribution. The standard error from a randomization distribution under the null hypothesis is SE= 0.043. 1St.John, A., "Physics of a World Cup Penalty-Kick Shootout - 2010 World Cup Penalty Kicks," Popular Mechanics, June 14, 2010.
lecture(12.2): A statistic class is made up of 28 students online and 21 students in person. What proportion of the class is learning online?. Round your answer to 2 decimal places
What's the t= ? And the p-value?
Im needing help solving the attached image
Multiple choice possible answers: A. -0.44 B. 1.64 C. -1.94 D. -2.24 E. 1.96
sample n= 30 scores X= 45 corresponds to Z= +1.50 X= 40 corresponds to Z= +1.00 what values are M and S?

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A student's grades for a math course are given below. 1. Percentage of Final Grade Student Grade Item Evaluated Received Quizzes 10 63 % Tests 50 Midterm 10 57% Assignments 10 92% Exam 20 65% What is the student's final grade to one decimal place? O747 O 78.6 O72.3