Posts by Jen

Total # Posts: 3,568

Math-probability
A bag contains a total of 30 batteries, of which six are defective. Selecting four at random, without replacement, determine the probability that none of the batteries you select are good. I think it's 2/15, but im not sure if that's correct....

Math
hmmmmm.....

Math
A mini license plate for a toy car must consist of two numbers followed by a letter. Each number must be a 5, 7 or 9. Each letter must be a C, A or N. Repetition of digits is NOT permitted. Use the counting principle to determine the number of points in the sample space. ...

Math
oh okay i get it...

Math
In how many different ways can the top eight new indie bands be ranked on a top eight list? The top hit song for each of the eight bands will compete to receive monetary awards of \$1000, \$500 and \$250, respectively. In how many ways can the awards be given out? I think the ...

MATH
In how many different ways can the top eight new indie bands be ranked on a top eight list? The top hit song for each of the eight bands will compete to receive monetary awards of \$1000, \$500 and \$250, respectively. In how many ways can the awards be given out?

Math
yay!!!haha...thanks!!!

Math
oh wait is it 10*7 = 70 different sections??

Math
oh i did 10/7, but is it 7/10 which is 0.7??

Math
In how many ways can 10 instructors be assigned to seven sections of a course in mathematics? would it be 10/7 = 1.43??

Math
ok....will do

Math
im confused!! :(

Math
2. 4/12? 3. 8/12??

Math
i believe the first one is 4/52? the second one is 2/12? and the last one is 4/12?

Math
A card is selected from a standard deck of 52 playing cards. A standard deck of cards has 12 face cards and four Aces (Aces are not face cards). Find the probability of selecting ·an eight given the card is a not a face card. ·a club given the card is red. &...

Math-Can you help me Damon or Reiny?
Consider the Venn diagram below. The numbers in the regions of the circle indicate the number of items that belong to that region. (2 intersecting circles A & B, where A part is 50, B part is 110, and the intersecting part is 40) Determine: n(A) n(B) P(A) P(B) P(A|B) P(B|A)

Math
yes that's what it means, but im stuck on this problem....

Math
im not sure what P is....

Math
Consider the Venn diagram below. The numbers in the regions of the circle indicate the number of items that belong to that region. (2 intersecting circles A & B, where A part is 50, B part is 110, and the intersecting part is 40) Determine: n(A) n(B) P(A) P(B) P(A|B) P(B|A)

yes, thank you Damon...i couldn't figure how to explain it

its the counting principle....

its like 5^C3....i posted it on wednesday and Reiny responded but never answered me back....

Evaluate 5C3

Math
P stands for probability

Math
Consider the Venn diagram below. The numbers in the regions of the circle indicate the number of items that belong to that region. (2 intersecting circles A & B, where A part is 50, B part is 110, and the intersecting part is 40) Determine: n(A) n(B) P(A) P(B) P(A|B) P(B|A)

Math
oh okay well thank you anyway :)

Math
yay! :) thanks! can you help me with the other problems i posted? i would greatly appreciate it! thank you :)

Math
oh okay so its 8*4*5 = 160 outfits correct?

Math
so 8 different outfits??? im confused :(

Math
17 different outfits?

Math
it is 12:17?

Math
For a trip a woman packed 8 tops, 4 skirts, and 5 pairs of shoes. How many different outfits can she wear? is it 12/17??

Math-confused!
really? i didn't think it was that easy...so it's 7/23 and 11/23???

Math-confused!
is it 11/23??

Math-confused!
A bag contains 7 lavender marbles, 11 turquoise marbles and 5 rainbow marbles. What is the chance of drawing a lavender marble? If a lavender marble is drawn then placed back into the bag, and a second marble is drawn, what is the probability of drawing a turquoise marble? ...

Math
Evaluate 5C3

yes but i cannot draw how the diagram looks, so i typed how it looks....see above in parenthesis :)

Consider the Venn diagram below. The numbers in the regions of the circle indicate the number of items that belong to that region. (2 intersecting circles A & B, where A part is 50, B part is 110, and the intersecting part is 40) Determine: n(A) n(B) P(A) P(B) P(A|B) P(B|A) ...

MATH
Consider the Venn diagram below. The numbers in the regions of the circle indicate the number of items that belong to that region. (2 intersecting circles A & B, where A part is 50, B part is 110, and the intersecting part is 40) Determine: n(A) n(B) P(A) P(B) P(A|B) P(B|A) ...

Math
Consider the Venn diagram below. The numbers in the regions of the circle indicate the number of items that belong to that region. (2 intersecting circles A & B, where A part is 50, B part is 110, and the intersecting part is 40) Determine: n(A) n(B) P(A) P(B) P(A|B) P(B|A) ...

Consider the Venn diagram below. The numbers in the regions of the circle indicate the number of items that belong to that region. (2 intersecting circles A & B, where A part is 50, B part is 110, and the intersecting part is 40) Determine: n(A) n(B) P(A) P(B) P(A|B) P(B|A) ...

Math
oh yes you are correct!! thanks a million!!

Math
Each of the numbers 0 through 26 is written on a piece of paper and all of the pieces of paper are placed in a hat. One number is selected at random. Determine the probability that the number selected is even. Note: 0 is considered an even number. I think it may be 14/26?? ...

Math
yea i was having a problem because the calculator i have doesnt have the F button, but thanks for helping me...it was very confusing to me...

Math
Mary purchased a package of 13 different plants, but she only needed 9 plants for planting. In how many ways can she select the 9 plants from the package to be planted?

Math-confused!
gosh that's so confusing :(

Math-confused!
A disc jockey has 12 songs to play. Seven are slow songs, and five are fast songs. Each song is to be played only once. In how many ways can the disc jockey play the 12 songs if: *The songs can be played in any order. *The first song must be a slow song and the last song must ...

Math
It should be: like the second one you put but 5 ^C3(not the extra 5 after the C)....its very confusing to me :(

Math
Evaluate 5^C3

MATH
how do i do this??

MATH
Well its saying IF: *The songs can be played in any order. *The first song must be a slow song and the last song must be a slow song. *The first two songs must be fast songs.

MATH
A disc jockey has 12 songs to play. Seven are slow songs, and five are fast songs. Each song is to be played only once. In how many ways can the disc jockey play the 12 songs if The songs can be played in any order. The first song must be a slow song and the last song must be ...

MATH-SO LOST :(
okay...i get it now thank you Reiny :)

MATH-SO LOST :(
SO CONFUSED STILL....

MATH-SO LOST :(
A mini license plate for a toy car must consist of a number followed by two letters. Each letter must be a C, A or R. Each number must be a 3 or 7. Repetition of letters is permitted. Use the counting principle to determine the number of points in the sample space. Construct a...

Math
SO IT WOULD BE 3.08915776^11??

Math
An identification code is to consist of six letters followed by three digits. How many different codes are possible if repetition is permitted? Is it 6^3??

Math
OH OKAY SO IT WOULD BE 0.21/0.5 = 0.42??

Math
Given that P(A) = 0.5 and P(B) = 0.3, and P(A and B) = 0.21, determine P(B|A).

Math
SO IT WOULD BE B AND D?

Math
Which pair has equally likely outcomes? List the letters of the two choices below which have equal probabilities of success, separated by a comma. A standard deck of cards has 12 face cards and four Aces (Aces are not face cards). A. drawing a red seven out of a standard 52 ...

Math-New Question
ooooooh ok

Math-New Question
Ms. Sue, number of cards greater than 9 = 4 (suits) * 4 (10, j, Q, K) = 16 but that includes the 8 black cards greater than 9 already counted in the black cards. What is the final answer? I'm lost :(

Math-New Question
One card is selected from a deck of playing cards. Determine the probability of selecting: a card greater than 9 or a black card

Math-New Questions
SO ITS 1000000000-100000000 = 900000000??

Math-New Questions
oooooh i totally got lost on this....

Math-New Questions
Social Security Numbers A social security number consists of nine digits. How many different social security numbers are possible if repetition of digits is permitted? Is it 9^10?? 10 numbers correct?

Math
so it would be 1,000,000,000???

Math
Ms. Sue, wouldn't it be 9^10? I think 0 wasn't included, so it would be 10 numbers not 9.....right???

Math
Social Security Numbers A social security number consists of nine digits. How many different social security numbers are possible if repetition of digits is permitted? Is it 9^10??

Math
36/52??

Math
One card is selected from a deck of playing cards. Determine the probability of selecting: a card greater than 9 or a black card.

math
x + 2x = 90 so you would divide 2x on both sides, it would then look like this: x + 2x = 90 -- -- 2x 2x x = 45 so you would then assume that both angles measurements are 45 degrees each, which would equal to 90 degrees, because a complementary angle measures 90 degrees. hope ...

To Reiny
im not really sure how i came up with 31...i think i did 13 + 13 = 26 and then added 5 because all cards that are greater than 9....i see where i messed up....thank you Reiny! i appreciate it :)

To Reiny
oh it looks like you just answered it, thank you.....i have posted this other problem because i'm not sure if my solution is correct, but Ms. Sue never answered me back...can you help me? One card is selected from a deck of playing cards. Determine the probability of ...

To Reiny

help
i believe she meant to type stocks not socks lol and it looks like an assignment....textbook would definitely come in handy :)

Math
okay great! thanks :)

Math
9^9 = 387,420,489 different social security numbers are possible??

Math
A social security number consists of nine digits. How many different social security numbers are possible if repetition of digits is permitted? Oh goodness, I'm not sure what number to start with :(

Math
oh thank you Ms. Sue....so the probability would be 31/52 or 0.596??

Math
One card is selected from a deck of playing cards. Determine the probability of selecting: a card greater than 9 or a black card. hmmmmm....i don't play cards, i'm not even sure how many is in a deck...38??

Math
oh okay...thank you Reiny for your help :)

Math
1523816/303824640 = 0.005 1 - 0.005 = 0.995 or would it be 0.990 when rounded to the nearest thousandth?

Math
According to the U. S. Census Bureau, the total 2008 U.S. population was 303,824,640. The chart below summarizes the 2008 population for five U.S. States. U. S. State 2008 Population Alaska 686,293 California 36,756,666 Hawaii 1,288,198 Idaho 1,523,816 Indiana 6,376,792 SOURCE...

Math-probability
thank you Damon :)

Math-probability
Oh i forgot to ask....would i use A=Pir^2?

Math-probability
yes you are correct Ms. Sue, thank you both :)

Math-probability
so it would be 0.0330??

Math-probability
A simple dartboard has three areas… the main board has a radius of 11 inches, there is a circle with a radius of 5 inches, and the bullseye has a radius of 2 inches. What is the probability of a random dart landing inside the bullseye? Round to the nearest thousandth. I ...

MATH
The property restoration company PuroServ is considering switching to new dehumidifiers. Their market research, considering the cost of the new machines and their efficiency, tells them that the switch would give them a 54% chance of making a \$20,000 profit, a 23% chance of ...

MATH
so PuroServ expects to make \$9,650 with their new purchase?

MATH
The property restoration company PuroServ is considering switching to new dehumidifiers. Their market research, considering the cost of the new machines and their efficiency, tells them that the switch would give them a 54% chance of making a \$20,000 profit, a 23% chance of ...

Math
thank you Ms. Sue. I didn't realize he had responded :)

Math
A certain drawing states that the odds of winning are 117:168. What would be the odds against winning? Would it be 168/117??

Math
The property restoration company PuroServ is considering switching to new dehumidifiers. Their market research, considering the cost of the new machines and their efficiency, tells them that the switch would give them a 54% chance of making a \$20,000 profit, a 23% chance of ...

Math
A community 5K run will award \$50 to the winner. 60 people enter the race, and they each pay an entry fee of \$20. Assuming they are all equally likely to win, what is a fair price for the competition? Round to the nearest cent.

MATH-too confusing :(
Last fall, a gardener planted 64 iris bulbs. She found that only 56 of the bulbs bloomed in the spring. a.) Find the empirical probability that an iris bulb of this type will bloom. Give answer as a fraction in lowest terms. b.) How many of the bulbs should she plant next fall...

Math
The property restoration company PuroServ is considering switching to new dehumidifiers. Their market research, considering the cost of the new machines and their efficiency, tells them that the switch would give them a 54% chance of making a \$20,000 profit, a 23% chance of ...

Math
okay, but my only options to choose from are: 117:168 117:285 168:285 168:117 ??

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