This year the test scores of all students in a college algebra course is normally distributed...
This year the test scores of all students in a college algebra course is normally distributed with a mean of 75 and a standard deviation of 10. Only the best 5% of the students will receive an A. What is the minimum score a student must obtain to get an A?
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This year the test scores of all students in a college algebra
course is normally distributed...
Suppose scores of students on a test are approximately normally distributed with a mean score of...
Suppose scores of students on a test are approximately normally distributed with a mean score of 65 points and a standard deviation of 8 points. It is decided to give A's to 10 percent of the students. Obtain the threshold score that will result in an A.
At XYZ college, the SAT verbal test scores for first-year students are normally distributed. The mean...
At XYZ college, the SAT verbal test scores for first-year students are normally distributed. The mean is 590. The standard deviation is 65. Q: Sketch the normal distribution and curve using the information above. Show all values for three standard deviations to the right and the left of the mean.
3. (4 points) The scores on a test are normally distributed with a mean of 75...
3. (4 points) The scores on a test are normally distributed with a mean of 75 and a standard deviation of 8. a) Find the proportion of students having scores greater than 85. b) If the bottom 3% of students will fail the course, what is the lowest score that a student can have and still be awarded a passing grade? Please round up to the nearest integer.
The graph illustrates the distribution of test scores taken by College Algebra students. The maximum possible...
The graph illustrates the distribution of test scores taken by College Algebra students. The maximum possible score on the test was 140, while the mean score was 75 and the standard deviation was 15. 30 45 105 120 60 75 90 Distribution of Test Scores Using the Empirical Rule, What is the approximate percentage of students who scored between 45 and 105 on the test? % What is the approximate percentage of students who scored higher than 105 on the...
Scores on a test of reading ability for second graders are normally distributed with a mean...
Scores on a test of reading ability for second graders are normally distributed with a mean of 60 and a standard deviation of 11. The principal of a school wants to identify the students who are in the top 5% of the class for participation in accelerated work in reading. What is the minimum raw score a student must have to be in the top 5% a. 65 b. 78.5 c. 66.65 d. 77.58
The final exam scores of students taking a statistics course are normally distributed with a population...
The final exam scores of students taking a statistics course are normally distributed with a population mean of 72 and a population standard deviation of 8. If a student taking this statistics course is randomly selected, what is the probability that his/her final exam score is between 60 and 84? A .4332 .9332 C .8664 .1336 Submit Answer
Scores for a common standardized college aptitude test are normally distributed with a mean of 480...
Scores for a common standardized college aptitude test are normally distributed with a mean of 480 and a standard deviation of 106. Randomly selected men are given a Test Preparation Course before taking this test. Assume, for sake of argument, that the preparation course has no effect. If 1 of the men is randomly selected, find the probability that his score is at least 553.4. P(X > 553.4) = Enter your answer as a number accurate to 4 decimal places....
Scores for a common standardized college aptitude test are normally distributed with a mean of 515...
Scores for a common standardized college aptitude test are normally distributed with a mean of 515 and a standard deviation of 108. Randomly selected men are given a Test Preparation Course before taking this test. Assume, for sake of argument, that the preparation course has no effect. If 1 of the men is randomly selected, find the probability that his score is at least 554. P(X > 554) = Enter your answer as a number accurate to 4 decimal places....
Scores for a common standardized college aptitude test are normally distributed with a mean of 491...
Scores for a common standardized college aptitude test are normally distributed with a mean of 491 and a standard deviation of 102. Randomly selected men are given a Test Preparation Course before taking this test. Assume, for sake of argument, that the preparation course has no effect. If 1 of the men is randomly selected, find the probability that his score is at least 555.6. P(X > 555.6) = Enter your answer as a number accurate to 4 decimal places....
Scores on the common final exam given in a large enrollment course were normally distributed with...
Scores on the common final exam given in a large enrollment course were normally distributed with mean of 69.35 and standard deviation of 12.93. The department has the rule that in order to receive an A in the course a student’s score must be in the top 10% of all exam scres. Find the minium exam score that meets this requiremnt..
3. (4 points) The scores on a test are normally distributed with a mean of 75 and a standard deviation of 8. a) Find the proportion of students having scores greater than 85. b) If the bottom 3% of students will fail the course, what is the lowest score that a student can have and still be awarded a passing grade? Please round up to the nearest integer.
The graph illustrates the distribution of test scores taken by College Algebra students. The maximum possible score on the test was 140, while the mean score was 75 and the standard deviation was 15. 30 45 105 120 60 75 90 Distribution of Test Scores Using the Empirical Rule, What is the approximate percentage of students who scored between 45 and 105 on the test? % What is the approximate percentage of students who scored higher than 105 on the...
The final exam scores of students taking a statistics course are normally distributed with a population mean of 72 and a population standard deviation of 8. If a student taking this statistics course is randomly selected, what is the probability that his/her final exam score is between 60 and 84? A .4332 .9332 C .8664 .1336 Submit Answer
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