Question 3 • Advanced Algebra: Concepts and Connections
A recent survey of 8 comma 000 high school students found that the mean price of a prom dress was 195 point 0 0 dollars with a standard deviation of 12 point 0 0 dollars Alyssa thinks that her school is more fashion conscious and that students spent more than $195.00 She collected data from 20 people in her high school and found that the average price spent on a prom dress was 208 point 0 0 dollars Which of the following are the correct null hypothesis and alternate hypothesis?
Answer
A
ratio of cap h sub 0 to mu is equal to 195 ; ratio of cap h sub A to mu is greater than 195
B
ratio of cap h sub 0 to mu is less than 195 ; ratio of cap h sub A to mu is greater than or equal to 208
C
ratio of cap h sub 0 to mu is equal to 195 ; ratio of cap h sub A to mu is not equal to 195
D
ratio of cap h sub 0 to mu is not equal to 195 ; ratio of cap h sub A to mu is equal to 208