The average age for licensed drivers in a county is 43.4, with a standard deviation of 16, and the distribution is approximately normal. A county police officer was interested in whether the average age of those receiving speeding tickets is less that the average age of the population who has a license. She obtained a sample of 23 drivers with speeding tickets. The average age for this sample was 33.4. Do all the steps of hypothesis testing using the 0.01 significance level. What are the 7 steps ?

Christine went shopping and bought each of her six six nephews a? gift, either a video costing? $14.95 or a cd costing? $16.88. she spent ? $ 97.42 97.42 on the gifts. how many videos and how many cds did she? buy?

Each equation given below describes a parabola. which statement best compares their graphs? x = 2y^2 x = 8y^2

According to the 2008 u. s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of florida was approximately two times the population of california. b. the population of florida was approximately twenty times the population of california. c. the population of california was approximately twenty times the population of florida. d. the population of california was approximately two times the population of florida.