Mathematicians 11761
The top five mathematicians in the class took on the teacher's help calculating the paper's average grade. They dictated the following results:
Mischa: "I came up with 3.30. "
Dasha: "That's weird because it worked out precisely 3.45. "
Jana: "You probably can't count because I think it's 2.94. And I also didn't round. "
Roman: "I checked it three times, and I got 3.44. Damian: "Interesting, I only got 2.60. "
Thirty students wrote, no one received a five, and only two students received a four. One of the results was correct. Who dictated the right result?
Mischa: "I came up with 3.30. "
Dasha: "That's weird because it worked out precisely 3.45. "
Jana: "You probably can't count because I think it's 2.94. And I also didn't round. "
Roman: "I checked it three times, and I got 3.44. Damian: "Interesting, I only got 2.60. "
Thirty students wrote, no one received a five, and only two students received a four. One of the results was correct. Who dictated the right result?
Correct answer:
Tips for related online calculators
Looking for help with calculating arithmetic mean?
Looking for a statistical calculator?
Do you solve Diofant problems and looking for a calculator of Diofant integer equations?
Looking for a statistical calculator?
Do you solve Diofant problems and looking for a calculator of Diofant integer equations?
You need to know the following knowledge to solve this word math problem:
Related math problems and questions:
- Six questions test
There are six questions in the test. There are three answers to each - only one is correct. To take the exam, students must answer at least four questions correctly. Alan didn't learn, so he circled the answers only by guessing. What is the probability th - Mathematics 47563
The average of 19 students from the mathematics paper was 2.63 (rounded to two decimal places). Jana wrote the paper later because she was sick. After taking Janča's grade into account, the average changed to 2.60. What grade did Jana get? - Chickens and rabbits
In the yard were chickens and rabbits. Together they had 23 heads and 76 legs. How many chickens and how many rabbits were in the yard? - MIT 1869
You know the length of hypotenuse parts 9 and 16, at which the hypotenuse of a right triangle is divided by a height. The task is to find the lengths of the sides of the triangle and the length of line x. This assignment was part of the Massachusetts Inst
- Peter's calculation
Peter wrote the following: 7 1/4 - 3 3/4 = 4 2/4 = 4 1/2 . Is Peter's calculation correct? Using words (math vocabulary) and numbers to explain why he is correct or incorrect. - Mountain climbing
Ken and his brother decided to go on mountain climbing 8 miles from their house to Mt. Daraitan at a rate of x mph (miles per hour). For the return trip, it was 2 mph faster. It took them 6 hours for the entire round trip. What is the x? - Salami
We have six kinds of salami that have ten pieces and one kind of salami that has four pieces. How many ways can we distinctly choose five pieces of salami?