Ask questions and get helpful responses.
Ask a New Question
  1. Questions

maths

In a large section of a statistics class, the points for the final exam are normally distributed, with a mean of 70 and a standard deviation of 8 Grades are to be assigned according to the following rule
. the top 10% receive A's, the next 20% receive B's;

the middle 40% receive C's the next 20% receive D's,

the bottom 10% receive F's

Find the lowest score on the final exam that would qualify a student for an A, a B: a C, and a D.

  1. 👍
  2. 👎
  3. 👁
  4. ℹ️
  5. 🚩
ady

  1. You can play around with Z table stuff at
    davidmlane.com/hyperstat/z_table.html

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
    oobleck

Respond to this Question

First Name

Your Response

Similar Questions

  1. statistics

    A​ student's course grade is based on one midterm that counts as 5​% of his final​ grade, one class project that counts as 25​% of his final​ grade, a set of homework assignments that counts as 35​% of his final​

  2. statistics

    A recent statistics exam yielded the following 25 scores. Construct a grouped frequency distribution with the class limits shown below. 64 84 71 59 67 58 88 68 70 94 90 81 43 77 86 72 81 79 98 52 72 72 47 81 96

  3. Introduction to Graphic Design A

    Hello! Thanks for checking my question out! ____ Last semester's geology class worked together to create a review sheet for the final exam. The review sheet contains information that covers 13 chapters worth of content along with

  4. Algebra

    Before the final exam, a student has test scores of 72, 80, 65, 78, and 60. If the final exam counts as one-third of the final grade, what score must the student receive in order to have a final average of 76 percent? Thanks!!

  1. working with data

    josephs final averages in science class are shown in the table below. homework % toward final grade-20% average-93 quizzes % toward final grade-20% average-92 tests % toward final grade-40% average-85 final exam % toward final

  2. math

    In a course a student's final exam is weighted as heavily as his mid term exam.if a student receives a score of 84 on his final exam 90 on his midterm,what is the average for the course?

  3. JAVA PROGRAMMING

    im new to java and this is my first assignment can anyone help me solving it: compile the class final grades, based on the students’ scores obtained in the classwork, mid-term, and final exams. According to the course syllabus,

  4. Digital art and design

    GUYS PLEASE HELP I MEED TO GET THIS DONE THERES 50 QUESTIONS FINAL EXAM Lesson 1: Final Exam 0103000 M/J Digital Art and Design 1- T2 Unit 5: Final Exam PLEASE PLEASE PLEASE HELP ILL REPAY YOU IN SOME WAY IF I HAVE TO 😖😖😖

  1. fractions

    In Mr. Johanessen's class, 1/4 of the students failed the final exam. Of the remaining class, 1/3 scored an A. What fraction of the whole class passed the test but scored below an A?

  2. Math

    Professor Smith gives only a midterm exam and a final exam. The average is computed by taking 1/3 of the midterm exam score and 2/3 of the final exam score. To get a “C” or better students must have at least 70 semester

  3. statistics

    Professor Smith gave a final exam in her history class. The scores on the final exam are normally distributed with a mean of 75 and a standard deviation of 6. If Professor Smith wishes to give A’s to the top 4%, what would be

  4. Statistics

    The next three questions refer to the following situation. Data from previous years reveal that the distribution if first exam scores in an introductory statistics class is approximately normal with a mean of 72 and a standard

Still need help? You can ask a new question.