Statistics - math word problems - page 12 of 46
Number of problems found: 919
- Biology test
Peter Šťastný did not manage to study for the biology test due to urgent matters. In the test, for every correctly solved task there were 10 points, for a wrongly solved task 5 points were subtracted, one could also not answer, for which there were 0 poin - Product Cost Weight Distribution
If you know that the company produces four similar products that differ only in the weight of the packaging, determine the final price of the product in terms of costs. The total cost of manufacturing the product was CZK 5,745,000. And 10 kg 15,000 pcs B - Total
In one class, each student collected an average of 20 kg of paper; in the second class, 30 kg; and in the third class, 40 kg. How many kilograms of paper did one student collect on average across all three classes, given that the second class had the same - Contestants
In the competition, it was possible to get 0-5 points. Five of the 15 best contestants have earned 5 points or 4 points (which have won 10 contestants). The number of contestants who scored 3 points was the same as those who did not get any points. Calcul - Store stops
Karel always follows the same route to school. If he continues at the store, the journey takes him exactly 10 minutes. If he stops at a store to buy a snack, his journey takes 5 minutes longer. In November 2015, his journey to school took an average of 13 - Math test
Students wrote a math test. The average number of points obtained by them was 64. Another student wrote this test for 80 points. If the teacher added his result to the original ones, the total average of all students would be 65. How many students origina - Test grade average
One of the conditions for classification with grade 2 in geography is to obtain an average of at least 64 points from four tests. The minimum number of points a skater must receive from the fourth test to meet this condition is if she received 59, 67, or - Henry
Henry has scored 72, 67, 82, and 79 on his Algebra tests. Use an inequality to find the score he must achieve on the final exam to pass the course with an average of 77 or higher, given that the final exam counts as two tests. - Tests To obtain a grade A, Patrick must score an average of at least 70 on five tests. If his average mark for the four tests is 68, what is the lowest mark he can get on his fifth test and still obtain a grade A
- Balance
A rod 4.3 m long has weights of 9 kg and 15 kg hanging from its ends. Where should the fulcrum be placed (measured from the 9 kg weight) for the rod to be in balance? - Jana grade average
The average of 19 students from the mathematics paper was 2.63 (rounded to two decimal places). Jane wrote the paper later because she was sick. After taking Jane's grade into account, the average changed to 2.60. What grade did Jane get? - Average height
The average height of all pupils is 162 cm. The class teacher's height is 178 cm. The average height of all (teacher and all pupils) is 163 cm. Calculate the number of pupils in the class. - Represented
The children of class 5 A wrote a maths test. The class had 29 children. After marking, there were two more grade 1 s than grade 5 s; grade 3 occurred three times; grade 2 represented twice the number of grade 1 s; grade 4 did not occur. How many students - Carrots and potatoes
Juri is doing his weekly grocery shop and buying carrots and potatoes. He calculates that the average weight of a carrot is 60 g and the average weight of a potato is 125 g. Furthermore, he calculates that the average weight of the carrots and potatoes he - Classs mean
The class size is 30 students. Math was not worse than mark 2. Find the number of pupils who were marked one if the class had a 1.4 average mark. - An average a day
Forest workers planted 96 trees on Monday, 120 on Tuesday, and 61 on Wednesday. How many trees did she plant on the last day of Thursday if she planted an average of 105 trees a day? - SOŠ 2
The secondary vocational school keeps statistics on the number of students who applied to the school. In 2014 and 2016, a total of 1435 students applied to the school. In 2015, 70 more students applied than in 2014, and in 2016, even 1.5 times more studen - The following 2
The following data show the number of kilometers joggers ran in a month 4;6;12;12;18;19;25;30;31;40;40;40;40;47;49;60 Find the median of the data. - Trees avg
The worker planted 96 trees on Monday, 120 on Tuesday, and 61 on Wednesday. If he averaged 105 trees per day, how many trees did he plant on Thursday? - Number series completion
Complete the number series with another number, which is 150 on average: 43 69 87 125 197 211 298
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