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The time required for Dr. B's students to complete the Statistics Exam is approximately normally distributed...
The time required for a student to complete a Statistics exam is normally distributed with a...
The time required for a student to complete a Statistics exam is normally distributed with a mean of 55 minutes and a standard deviation of 12 minutes. What percent of students take between 40 and 50 minutes to complete an exam? At what point in time will 25 percent of the students have completed the exam?
Based on experience, the time required to complete a college statistics exam is normally distributed with...
Based on experience, the time required to complete a college statistics exam is normally distributed with a mean of 42 minutes and a standard deviation of 8 minutes. The class is a large lecture and has 900 students. Simulate the exam completion times for the 900 students. (Convert to a percent then round to two decimals) a) What percent of students are still working when the professor stops the exam at 50 minutes? % b) What percent of students are...
The time to complete the Advanced Placement (AP) Statistics Exam in previous years is normally distributed...
The time to complete the Advanced Placement (AP) Statistics Exam in previous years is normally distributed with an average time of 2.5 hours. Because of school closures due to COVID-19, the College Board offered an at- home test for the 2020 AP Statistics Exam. A teacher feels that students, on average, will have a different completion time for the at-home exam. They take a random sample of 25 students that took the exam and their mean time was 2.68 hours...
On a certain statistics exam, the time for students to submit the exam is normally distributed...
On a certain statistics exam, the time for students to submit the exam is normally distributed with a mean of 0.9 hours and a standard deviation of 0.1 hours. What is the probability that a randomly selected student will take longer than an hour and a half to submit the exam? O 0.707 1 0.5 0.0000000001 Page 14 Previous Page Next Page
On a certain statistics exam, the time for students to submit the exam is normally distributed...
On a certain statistics exam, the time for students to submit the exam is normally distributed with a mean of 0.9 hours and a standard deviation of 0.1 hours. What is the probability that a randomly selected student will take longer than an hour and a half to submit the exam? O 0.707 O1 0.5 0.0000000001 Page 14 Previous Page Next Page
The time it takes students to complete an ES1-3215 final exam is normally distributed with a...
The time it takes students to complete an ES1-3215 final exam is normally distributed with a mean of 73 min and a standard deviation of 21 min. How much time should be allowed to ensure that 90.0% of the students can complete the exam on time? (Round numerical value to the nearest minute) 98 min 103 min 100 min None of the given numerical values is correct 109 min Not enough information to answer the question 112 min 96 min
The time it takes students to complete an ES1-3215 final exam is normally distributed with a...
The time it takes students to complete an ES1-3215 final exam is normally distributed with a mean of 74 min and a standard deviation of 21 min. How much time should be allowed to ensure that 90.0% of the students can complete the exam on time? (Round numerical value to the nearest minute) Not enough information to answer the question 95 min O 101 min 97 min 99 min 112 min O None of the given numerical values is correct...
The time it takes students to complete an ESI-3215 final exam is normally distributed with a...
The time it takes students to complete an ESI-3215 final exam is normally distributed with a mean of 70 min and a standard deviation of 20 min. How much time should be allowed to ensure that 95.0% of the students can complete the exam on time? (Round numerical value to the nearest minute) O 103 min 101 min O 110 min O 106 min Not enough information to answer the question O None of the given numerical values is correct...
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
The time to complete a standardized exam is approximately normal with a mean of 70 minutes...
The time to complete a standardized exam is approximately normal with a mean of 70 minutes and a standard deviation of 10 minutes. How much time should be given to complete the exam so that 75% of the students will complete the exam in the time given?
Based on experience, the time required to complete a college statistics exam is normally distributed with a mean of 42 minutes and a standard deviation of 8 minutes. The class is a large lecture and has 900 students. Simulate the exam completion times for the 900 students. (Convert to a percent then round to two decimals) a) What percent of students are still working when the professor stops the exam at 50 minutes? % b) What percent of students are...
The time to complete the Advanced Placement (AP) Statistics Exam in previous years is normally distributed with an average time of 2.5 hours. Because of school closures due to COVID-19, the College Board offered an at- home test for the 2020 AP Statistics Exam. A teacher feels that students, on average, will have a different completion time for the at-home exam. They take a random sample of 25 students that took the exam and their mean time was 2.68 hours...
On a certain statistics exam, the time for students to submit the exam is normally distributed with a mean of 0.9 hours and a standard deviation of 0.1 hours. What is the probability that a randomly selected student will take longer than an hour and a half to submit the exam? O 0.707 1 0.5 0.0000000001 Page 14 Previous Page Next Page
On a certain statistics exam, the time for students to submit the exam is normally distributed with a mean of 0.9 hours and a standard deviation of 0.1 hours. What is the probability that a randomly selected student will take longer than an hour and a half to submit the exam? O 0.707 O1 0.5 0.0000000001 Page 14 Previous Page Next Page
The time it takes students to complete an ES1-3215 final exam is normally distributed with a mean of 73 min and a standard deviation of 21 min. How much time should be allowed to ensure that 90.0% of the students can complete the exam on time? (Round numerical value to the nearest minute) 98 min 103 min 100 min None of the given numerical values is correct 109 min Not enough information to answer the question 112 min 96 min
The time it takes students to complete an ES1-3215 final exam is normally distributed with a mean of 74 min and a standard deviation of 21 min. How much time should be allowed to ensure that 90.0% of the students can complete the exam on time? (Round numerical value to the nearest minute) Not enough information to answer the question 95 min O 101 min 97 min 99 min 112 min O None of the given numerical values is correct...
The time it takes students to complete an ESI-3215 final exam is normally distributed with a mean of 70 min and a standard deviation of 20 min. How much time should be allowed to ensure that 95.0% of the students can complete the exam on time? (Round numerical value to the nearest minute) O 103 min 101 min O 110 min O 106 min Not enough information to answer the question O None of the given numerical values is correct...
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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