A student started out poorly on his first mathematics test. However, he doubted his score on each of the next two tests. The third grade was 100. What was the student’s average test grade? Round to the nearest tenth. (Hint: work backwards)

A student started out poorly on his first mathematics test. However, he doubted his score on each of the next two tests. The third grade was 100. What was the student’s average test grade? Round to the nearest tenth. (Hint: work backwards)

Algebra and Trigonometry (6th Edition)

6th Edition

ISBN:9780134463216

Author:Robert F. Blitzer

Publisher:Robert F. Blitzer

ChapterP: Prerequisites: Fundamental Concepts Of Algebra

Section: Chapter Questions

Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...

See similar textbooks

Similar questions

If Meg got a C in her two-unit PE class, an A in her three-unit Statistics class and a B in her five-unit English class, what was her GPA for the semester? answer choices: 3.00 GPA 3.10 GPA 3.44 GPA 3.28 GPA
Trying to find out Which score is better, a 75 on History or Score of 27 on Psychology
Margaret owns a restaurant and she was keeping track of the total dollar sales for the weekend (Friday through Sunday). She knew that the average daily dollar sales for the restaurant was $2,425.42 and that the dollar sales were $2,978.17 on Friday, $1,599.56 on Saturday, but she forgot to write down the amount of dollar sales on Sunday. From this information, determine the dollar sales the restaurant had on Sunday. Round your answer to the nearest penny. Enter in just the number. Do not enter the dollar sign. For example: 932.23
Richard has been given a 12-question multiple-choice quiz in his history class. Each question has five answers, of which only one is correct. Since Richard has not attended the class recently, he doesn't know any of the answers. What is the value of n ?(n is the number of trials)
In some 4.0 grading systems, a student's grade point aversge (GPA) is calculated by assigning letter grades the following numerical values. (See attachment) Use this grading system to find this student's GPA. Round to the nearest hundredth. Tessa's cumulative GPA for 3 semesters was 3.18 for 46 course units. Her fourth semester GPA was 3.72 for 12 course units. What is Tessa's cumulative GPA for all 4 semesters?
Richard has been given a 9-question multiple-choice quiz in his history class. Each question has three answers, of which only one is correct. Since Richard has not attended the class recently, he doesn't know any of the answers. What is the value of p? (p is the value of success) Round your answer to the nearest tenth.
Which of the following choices is the best price? a. $4.95 for 30 b. $1.95 for a dozen. c. $2.95 for 18
For letter B please plug in the number 6
Samantha took an exam in her statistics class and received 90 out of 100. Samantha thought that was a good score, but she wanted to know how high her score was in relation to the rest of the class. Her professor said her Z-score was -0.29. How should Samantha interpret her Z-score? a. Samantha’s score is 0.29 points above the class mean.b. Samantha’s score is 29% above than the class mean.c. Samantha’s score is 0.29 standard deviations above the class mean.d. Samantha’s score is 0.29 standard deviations below the class mean.
PLEASE HELP SOLVE THE PROBLEM BELOW A candy manufacturer selects mints at random from the production line and weighs them. For one week, the day shift weighed n1 = 194 mints and the night shift weighed n2 = 162 mints. The numbers of these mints that weighed at most 21 grams was y1 = 28 for the day shift and y2 = 11 for the night shift. Let p1 and p2 denote the proportions of mints that weigh at most 21 grams for the day and night shifts, respectively. Give a point estimate of p1 Give the 95% confidence interval for p1 Give a point estimate of p1 − p2 Find the 95% confidence interval for p1 − p2
If P(A or B)equals=0.70.7, P(A)equals=0.30.3, and P(A and B)equals=0.250.25, find P(B).
The U.S. Open Golf Tournament was played at Congressional Country Club, Bethesda, Maryland, with prizes ranging from $465,000 for first place to $5000. Par for the course is 70. The tournament consists of four rounds played on different days. The scores for each round of the 32 players who placed in the money (more than $17,000) are given. The scores for the first round were as follows. 71 65 67 73 74 73 70 75 71 72 71 75 75 71 71 72 72 73 71 67 66 75 75 75 71 The scores for the fourth round for these players were as follows. 69 69 73 73 73 74 72 72 70 71 71 72 71 71 71 71 69 70 72 74 72 71 68 69 70 69 71 73 74 1 2 3 4 (a) Make a stem-and-leaf display for the first-round scores. Use two lines per stem. (Enter your answers from smallest to largest separated by spaces. Enter NONE for stems with no leaves.) First-Round Scores X X X X 5 6 7 8 71 71 74 73 71 74 75 NONE NONE NONE NONE 70 NONE 72 73 (b) Make a stem-and-leaf display for the fourth-round scores. Use two lines per stem. (Enter…