Quiz91 - Gender Feelings About Math 2. Use this information...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Name: _______________________ Statistics Quiz #9: The Supplement and Chapter 15 Please Show All Work!!!!! 1. The following table shows the actual data for My Fall 2009 class regarding “Feelings About Math” and “Gender”. LOVE OK Neutral Don't Like HATE Total Male 2 8 5 0 0 15 Female 2 19 5 2 2 30 Total 4 27 10 2 2 45 We pick one student at random from our class. a) (5 pts.) According to this data, what is the probability that someone feels neutral about math if they are a female? b) (5 pts.) Find the probability that we pick a female, if we picked a student who feels OK about math. c) (5 pts.) Are the events “Choosing a Female” and “Choosing a person who loves math” independent? Show that you are right, using the appropriate formula(s).
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Gender Feelings About Math 2. Use this information for all of the following parts: We want to make a 4 character license plate using digits and letters from the following set: { } D C B A , , , , 7 , 6 , 5 , 3 , 1 . Once a character is used, it is not used again (there are no repeats ). a) (5 pts.) In how many ways can we make a 4-character license plate? b) (5 pts.) In how many ways can we make a 4-character license plate that starts with 2 numbers, then ends with 2 letters? c) (5 pts.) Whats the probability that a 4-character license plate is made, where it starts with a letter and ends with a number?...
View Full Document

This note was uploaded on 04/12/2011 for the course STA 215 taught by Professor Tba during the Spring '08 term at Grand Valley State University.

Page1 / 2

Quiz91 - Gender Feelings About Math 2. Use this information...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online