- 1A teacher chooses 4 students to attend a seminar
1. A teacher chooses 4 students to attend a seminar. To do this, she chooses one boy and one girl from a class of 14 boys and 12 girls, and one boy and one girl from a class of 13 boys and 13 girls. In how many different ways can the teacher choose the 4 students? (That is, how many different gropus of 4 students can she created if she chooses one student from each of the four listed groups). Hints: Assume that the teacher chooses 1 boy from a group of 14, 1 girl from a group of 12, 1 boy from a group of 13 and 1 girl from a group of 13. So there are 14 choices then 12 choices then 13 choices then 13 choices.

- 2A total of 1200 students attend a top view high schoolThe ratio of teachers to students is 1:30
A total of 1200 students attend a top view high schoolThe ratio of teachers to students is 1:30.How may teachers are there at the school?Dont want the ans just the working

- 3Each day Mr. Samms randomly chooses 2 students from his class to serve as helpers. If there are 15 boys and 10 girls in the class, what is the probability that the two students chosen will be female?
- 4A researcher is interested in whether students who attend private high schools have higher average SAT scores than students in the general population
A researcher is interested in whether students who attend private high schools have higher average SAT scores than students in the general population. A random sample of 90 students at a private high school is tested and has a mean SAT score of 1050. The average score for public high school students is 1000(ó= 200). Is this a one or two tailed test?

- 5A researcher is interested in whether students who attend private high schools have higher average SAT Scores than students in the general population
1. A researcher is interested in whether students who attend private high schools have higher average SAT Scores than students in the general population. A random sample of 90 students at a private high school is tested and and a mean SAT score of 1030 is obtained. The average score for public high school student is 1000 (ó= 200). a. Is this a one- or two tailed test?

- 6A researcher is interested in whether students who attend private high schools have higher average SAT Scores than students in the general population
A researcher is interested in whether students who attend private high schools have higher average SAT Scores than students in the general population. A random sample of 90 students at a private high school is tested and and a mean SAT score of 1030 is obtained. The average score for public high school student is 1000 (ó= 200). What is the CI?

- 7Samms randomly chooses 2 students from his class to serve as helpers
Each day, Mr. Samms randomly chooses 2 students from his class to serve as helpers. There are 15 boys and 10 girls in the class. What is the probability that Mr. Samms will choose 2 girls to be helpers

- 8Is it illegal for a school to not have a subsitute teacher assigned to a class when the teacher is not going to be in for the day and students just show up to class and no teacher apears for the whole class
Is it illegal for a school to not have a subsitute teacher assigned to a class when the teacher is not going to be in for the day and students just show up to class and no teacher apears for the whole class? Is that legal?

- 9amy's orchestra teacher is planning a fall concert the cost of renting the music hall is $2000 he decides to charge each person $5.50 attend the concert to cover the cost of renting the hall how many people will have to attend to cover the cost
amy's orchestra teacher is planning a fall concert the cost of renting the music hall is $2000 he decides to charge each person $5.50 attend the concert to cover the cost of renting the hall how many people will have to attend to cover the cost??

- 10A teacher drove 280 miles to attend a mathematics conference and arrived 1 hour late
A teacher drove 280 miles to attend a mathematics conference and arrived 1 hour late. The teacher figured out that, had she increased her average speed by 5 mph, she would have arrived on time to the conference. What was her average rate of speed?*explanations would be awesome if possible because i have a test on this tomorrow and have NO clue how to do it..thanks!

- 11Why is it a good idea for a teacher to make their students take turns reading the first couple chapters of a novel out loud as a class before the teacher assings the rest of the novel to be read on their own
Why is it a good idea for a teacher to make their students take turns reading the first couple chapters of a novel out loud as a class before the teacher assings the rest of the novel to be read on their own?

- 12In how many ways can a teacher arrange 6 students in the front row of a classroom with a total of 20 students
In how many ways can a teacher arrange 6 students in the front row of a classroom with a total of 20 students