school teachers

There are 6 teachers for every 120 students in a school. Find the ratio of students to teachers. => 21 : 1 or 22 : 1 or 20 : 1 or 20 : 2..

There are 3 math teachers in school H1, 4 math teachers in school H2, 2 math teachers in school H3, and 6 math teachers in school H4. Identify the line plot that displays the data. => Line Plot 3 or Line Plot 1 or Line ..

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..

A school teacher estimated that 80% of the students can score grade A in the final test. He selected a random sample of 140 students after the final examination and observed that 115 students scored grade A. At α = 0.01, find the test value and comment on the teacherh..

Irene has 26 roses. How many more roses does she need to buy if she wants to give 5 roses to each of the six teachers in her school? => 4 or 7 or 5 or 6..

Danielle wants to attend dance and music classes after school. There are 4 dance teachers and 9 music teachers available to choose. How many different choices are available for Danielle to choose the two teachers? => 4 or 9 or 36 or 37..

The average teacher's salary in a school X is $30,000. The distribution is assumed to be normal with standard deviation equal to $5,000. If 64 teachers are selected at random, then find the probability that the mean teacher's salary is less than $28,000. => 9..

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's esti..

It is reported by a social organization that students watch 2.5 movies in a month in movie theaters on an average. To test this report, a school teacher collected number of movies watched by 40 students. At α = 0.01, what is the test value? Is the report of the social orga..

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..