teachers and math

Question: For the post of 5 teachers, there are 23 applicants. 2 posts are reserved for S.C. candidates and there are 7 S.C. candidates among applicants. In how many ways can the selection be made? Answer: There are 23 applicants. Among this, 7 are S.C. candidates. We have to ..

An organization of teachers of mathematics spends $16,600 each year on student academic awards.On each prize the organisation spends the same amount. Which of the following represents the relation between the number α of awards given and the cost β of each award ? => ..

Math teacher assigned this multiplication pattern to Jim. Which of the following is the next multiplication sentence? 6 × 10 6 × 100 6 × 1000 => 60 × 10000 or 600 × 10 or 60 × 100 or 6 × 10000..

There are 6 teachers for every 240 students in a school. Identify the ratio of students to teachers in three ways. => 1 : 40, 1 to 40, and 1 40 or 41 : 1, 41 to 1, and 41 1 or 40 : 1, 40 to 1, and 40 1 or 42 : 1, 42 to 1, and 42 1..

A school teacher estimated that the average score of the students in a math quiz is less than 20. A sample of 30 students is selected for the math quiz and their scores are as shown. Find the p -value for the test. Is there enough evidence to support the teacher..

A school has 15 teachers out of which 9 are male. A team of 9 teachers is to be formed with 5 female teachers. In how many ways can the team be formed? => 776 or 746 or 756 or 766..

The scatter plot shows the number of teachers hired each year from 1980 through 1984. How many more teachers were hired in the year 1983 than those in 1984? => 10 or 5 or 15 or 20..

There are 5 teachers for every 20 students in a class. Which one of these represents the ratio of students to teachers? => 1 : 2 or 2 : 1 or 1 : 4 or 4 : 1..

A teacher wishes to test the math anxiety level of her students in two classes. Furthermore, she wishes to see whether there is a difference owing to the students' ages. The score on a 50-point anxiety test measures math anxiety. At α = 0.05, find the test values..

A report on education says that the average salary paid to public school teachers in a state is $43,300 per annum. A statistician interviewed 15 public school teachers and found the average annual salary as $45,850 with a standard deviation $3,800. At α = 0.02, what is the..