I You conduct a survey that asks 245 students in your school whether they have taken a Spanish or a French class. One hundred nine of the
students have taken a Spanish class, and 45 of those students have taken a French class. Eighty-two of the students have not taken a
Spanish or a French class. Organize the results in a two-way table. Include the marginal frequencies.
Spanish Class
Yes
No
Total
Yes
109
French
Class
No
Total

What is the value of y? round to the nearest tenth

Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form:    science fiction books to history books 2. write the ratios as fractions:    dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.

The mean of 10 values is 19. if further 5 values areincluded the mean becomes 20. what is the meanthese five additional values? a) 10b) 15c) 11d) 22