Sunday
December 8, 2013

# Posts by dillon

Total # Posts: 71

math
cards numbered 0 through 9 are in a bag. what is the probability you pull a card with a number greater than 7? i think it is 2/9. thanks. 0 through 9 There are 10 cards.

math
you flip a coin twice. what is the probility you get no heads? thanks. i think it is 1/4.is this right. 2/4 2/4 sooorrrrrrrrrrrrrrrrrrrrrrrrry but you are wrong i think well can you help me on my questions' yes, 1/4 is correct.

math
of a set of 10 cards, 3 have red circles, 4 have yellow triangles, and 3 have green diamonds. you choose one card at random and then replace it. then you choose a second card. what is the probability that both cards have yellow triangles? Find the probability of obtaining the ...

math
a bag contains 33 green marbles and 25 blue marbles. you select a marble at random from the bag. find the theoretical probability of selecting a blue marble. thanks Pr(blue)= number blue/total marbles

experimental probability
you spin a spinner 50 times. it lands on red 8 times, yellow 12 times, green 20 times, and blue 10 times. based on the results, what is the experimental probility of its landing on green or yellow? thanks I will be happy to critique your work on this. i have a different questi...

math
you roll a number cube. what are the odds in favor of rolling a 1 or a 5?thanks. There are 6 sides of a cube. You want one of 2 numbers to show up. So it's 2/6 chance....or 1/3 Matt I assume that you are talking about a die (Singular for "dice"), it has a total o...

combinations help
a menu has a list of seven appetizers. your party will choose three. which of the following represents the number of possible choices? 7/3!, 7c3,or 7!-3!. 7 appetizers, choose 3. Clearly the answer is 7 choose 3.

math
in volleyball, you can volley, set, or spike.how many ways can your team make two plays? use tree diagram. thanks Draw three "branches" for the first play, then three branches from each of them for the second "play" for a total of nine. However, two consecu...

counting outcomes
in volleyball, you can volley, set, or spike. how many ways can your team make two plays? use tree diagram. thanks. a tree diagram would show 9 possible outcomes how to you do and count outcomes

permutations in math
suppose 15 countries compete in an olympic event. gold, and silver,and bronze medals are awarded. how many different arrangements of winners are there if no country wins more than one medal in this event? show the work. thanks. 15 countries can get the gold 14 countries can ge...

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