Ms. Singh rolled a die 60 times. On 25 of these rolls, she got a "."4 States your answers as fully reduced fractions. J a) What is the experimental probability of rolling a 4? b) What is the theoretical probability of rolling a 4? c) If the number of trials increased, what would you expect would happen to the experimental probability of rolling a 4? Question 2 (3 points) Studies have shown that 3 out of 10 thirteen year olds have a key to their home. Of those who have a key, 22% are alone at home after schooL a) What is the probability that a 13 year old does not have a key to their home? b) What percent of 13 year olds have a key and someone else at home after school? c) If a school has 225 students who are 13 years old, how many of them have a key and are alone at home after school? [:l [:w [:l Second-Period Class 40 50 60 70 80 90 100 Fifth-Period Class 40 50 60 70 80 90 100 Answer the following questions based on the box and whiskers plots above. a) What was the highest mark in the fifth- period class? b) Whats the difference between the medians of both classes? c) Which class did better? Explain.Question 3 (4 points) In the past year, the PDSB has been conducting surveys throughout the school to address anti- Blank racism. Suppose you were given the task to conduct the surveys. a) Who would be your population? Explain. b) What sampling technique would be the most effective? Explain. c) Who is your sample? Explain