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5. In general mathematics examination, students got an average of 82 and the standard deviation of 7. If there are 10 students who got the score between 78 to 86, and more or less the grade is normally distributed, how many students took the examination?

5. In general mathematics examination, students got an average of 82 and the standard deviation of 7. If there are 10 students who got the score between 78 to 86, and more or less the grade is normally distributed, how many students took the examination?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Answer item no. 5 only and DO NOT USE EXCEL
1 Given the normal distribution with a mean of 35 and a standard deviation am 33 to 41 b. From 18 to 46 c. Above 20 d. Bel 37 Above 30 area: 2. Approximately, the normal distribution in an examination in statistics has standard deviation of 4. Find: a. The lowest passing grade if the lowest 25%; and b. The highest grade of the per 5%, 3. A factory was able to produce an average 935 units per worker per day with standard deviation of 73 units. The actory decided to give incentive for those workers who will produce more than 35% units. What is the minimum number of units for a worker to qualify for the incentive program? nd a 4. A comp pays an average of Php 100.00 per hour with a standard deviation of Php the pay for the employees is more or less distributed normally, find the following a. Percentage of wors receiving less than Php 95.00; b. Percentage of workers receiving above Ph c. Percentage of workers whose pay is between Php 68.00 to Php 140; d. If the number of workers is 750, how many workers receiving a pay between Php 85.00 to Php 115.00. If 5. In general mathematics examination, students got an average of 82 and the standard deviation of 7. If there are 10 students who got the score between 78 to 86, and more or less the grade is normally distributed, how many students took the examination?
Transcribed Image Text:1 Given the normal distribution with a mean of 35 and a standard deviation am 33 to 41 b. From 18 to 46 c. Above 20 d. Bel 37 Above 30 area: 2. Approximately, the normal distribution in an examination in statistics has standard deviation of 4. Find: a. The lowest passing grade if the lowest 25%; and b. The highest grade of the per 5%, 3. A factory was able to produce an average 935 units per worker per day with standard deviation of 73 units. The actory decided to give incentive for those workers who will produce more than 35% units. What is the minimum number of units for a worker to qualify for the incentive program? nd a 4. A comp pays an average of Php 100.00 per hour with a standard deviation of Php the pay for the employees is more or less distributed normally, find the following a. Percentage of wors receiving less than Php 95.00; b. Percentage of workers receiving above Ph c. Percentage of workers whose pay is between Php 68.00 to Php 140; d. If the number of workers is 750, how many workers receiving a pay between Php 85.00 to Php 115.00. If 5. In general mathematics examination, students got an average of 82 and the standard deviation of 7. If there are 10 students who got the score between 78 to 86, and more or less the grade is normally distributed, how many students took the examination?
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