I have my answers but need them checked and i probably got them wrong so if you can please explain.

#1: Which of the following sample spaces correctly lists all the possible outcomes for flipping a coin and spinning a four-colored spinner (red, blue, green, and yellow)?
(A) H-red, H-blue, H-green, H-yellow, T-yellow, T-green, T-blue, T-red
(B) H-red, T-red, H-blue, T-blue, H-green, T-yellow*****
(C) T-yellow, H-red, T-blue, H-green, T-green, H-yellow, T-red
(D) H-red, T-blue, H-green, T-yellow

#2:How many different lunch combinations can be made from two sandwich choices, three side item choices, and three beverage choices if you choose one sandwhich, one side, and one beverage?
(A) 8
(B) 9
(C) 18***
(D) 11

#3: Which of the following is a certain event?
(A) Rolling a composite number on a number cube
(B) Rolling a number greater than 1 on a number cube
(C) Rolling an odd or even number on a number cube*****
(D) Rolling an odd or even number greater than 7

#4: A class has 9 girls and 12 boys. What is the probability of a teacher randomly calling on a boy?
(A) 3/4***
(B) 4/7
(C) 3/7
(D) 4/3

  1. 👍 0
  2. 👎 0
  3. 👁 317
  1. #1
    you have 4 colours and 2 ways to flip a coin
    so there should be 8 possible outcomes.
    your choice has only 6 outcomes

    #2, correct
    #3, correct
    #4, no, there are 21 students, 12 of which are boys
    prob = 12/21 = 4/7
    you stated the ratio of girls : boys

    1. 👍 0
    2. 👎 0
    posted by Reiny
  2. Thanks Reiny :) You helped me get up to an A in Mathematics :3 Thx -Warrior Cat Lover

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. General

    Please understand that I am not upset with anyone or whatever I just want to know something. I have some work to be checked and the regular tutors here say that "we will be happy to critque your thinking" right? Ok so when someone

    asked by Jon on April 1, 2008
  2. Geometry

    Given: KL ║ NM, LM = 45, m∠M = 50° KN⊥NM, NL ⊥ LM Find: KN and KL So I drew it found that m∠K=90°, m∠LNM=40°, m∠KNL=50° using the rules of trigonometry, I got: (NL/45) =tan(50°) and that NL=53.63 I checked it

    asked by Anonymous on October 27, 2018
  3. Math

    A cup of coffee has cooled from 98degreesC to 50degreesC after 15 minutes in a room at 25degreesC. How long will it take to cool to 40degrees​C? Someone else helped me on a problem similar to this, however I keep getting it

    asked by Jessica on October 21, 2018
  4. Intro. to Comp.

    Would you please go to page 2 and look under "intro. to comp." and check the questions and my answers? Please let me know what I have wrong. Thanks, Shannon you may have to go to page 3, drwls checked them, but I have doubts about

    asked by This is for MattsRiceBowl on June 25, 2007
  5. basic Integration

    I have three questions which I apparently have 'wrong' according to the book, but I've done lots of other questions which I've gotten right using the same method and I have triple checked these answers for these three questions so

    asked by Anonymous on February 28, 2009
  6. physics

    By "see" I meant that I had checked my answer on the internet to see if I was correct in thinking that multipying the charge of an electron, charge of a proton, and k would yield the electrical force between an electron and

    asked by Karla on March 29, 2008
  7. introductory algebra

    I had these problems on my test and for some reason got them wrong. Here are the problems: Solve: x-y=9 x+y=1 The test states that the answer is (5,-4) I've checked ,y work and used substitution to solve this and still get x=4,

    asked by jose on May 23, 2010
  8. math

    a mathematics question contained 20 items. every wrong answer scores -2marks, every correct answer scores 4marks and no mark for no answer. (a) find the minimum possible score (b) Tembo had 10 correct answers, 8 wrong answers and

    asked by chisenzi on November 18, 2015
  9. other Quadratic equations

    The problem is 7x^3-x+1=x^3+3x^2+x. Find all real answers. I came upwith two answers 3x^2=1 and 2x=1/2. The first answer just does not look right. I must be forgeting something! You can check them by putting in x=1/4 (the second

    asked by theresa on January 27, 2007
  10. Anonymous: Re: Grammar

    I checked the first 25 answers you posted for your 50-question grammar test. You have 10 of the 25 wrong for a 40% score. I couldn't take any more! Please do not post this test again. I'm sure your instructor does not want the

    asked by Ms. Sue on January 26, 2010
  11. Chemistry - Gravimetry

    If 0.8000 g of a mineral yields 0.2400 g of NaCl + KCl, and this mixture contains 58.00% of Cl, what is the percentage of Na2O and K2O in the mineral? I already tried solving it and I got 12.69% Na2O and 3.84% K2O. However, I

    asked by Denise on March 6, 2017

More Similar Questions