Monday

April 27, 2015

April 27, 2015

Total # Posts: 3,330

**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? ...
*July 28, 2011*

**Math**

Evaluate 5C3
*July 28, 2011*

**MATH-PLEASE HELP :(**

yes but i cannot draw how the diagram looks, so i typed how it looks....see above in parenthesis :)
*July 28, 2011*

**MATH-PLEASE HELP :(**

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) ...
*July 28, 2011*

**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) ...
*July 27, 2011*

**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) ...
*July 27, 2011*

**Math-Please help :(**

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) ...
*July 27, 2011*

**Math**

oh yes you are correct!! thanks a million!!
*July 27, 2011*

**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?? ...
*July 27, 2011*

**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...
*July 27, 2011*

**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?
*July 27, 2011*

**Math-confused!**

gosh thats so confusing :(
*July 27, 2011*

**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 ...
*July 27, 2011*

**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 :(
*July 27, 2011*

**Math**

Evaluate 5^C3
*July 27, 2011*

**MATH**

how do i do this??
*July 26, 2011*

**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.
*July 26, 2011*

**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 ...
*July 26, 2011*

**MATH-SO LOST :(**

okay...i get it now thank you Reiny :)
*July 26, 2011*

**MATH-SO LOST :(**

SO CONFUSED STILL....
*July 26, 2011*

**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...
*July 26, 2011*

**Math**

SO IT WOULD BE 3.08915776^11??
*July 26, 2011*

**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??
*July 26, 2011*

**Math**

OH OKAY SO IT WOULD BE 0.21/0.5 = 0.42??
*July 26, 2011*

**Math**

Given that P(A) = 0.5 and P(B) = 0.3, and P(A and B) = 0.21, determine P(B|A).
*July 26, 2011*

**Math**

SO IT WOULD BE B AND D?
*July 26, 2011*

**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 ...
*July 26, 2011*

**Math-New Question**

ooooooh ok
*July 26, 2011*

**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 :(
*July 26, 2011*

**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
*July 26, 2011*

**Math-New Questions**

SO ITS 1000000000-100000000 = 900000000??
*July 26, 2011*

**Math-New Questions**

oooooh i totally got lost on this....
*July 26, 2011*

**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?
*July 26, 2011*

**Math**

so it would be 1,000,000,000???
*July 26, 2011*

**Math**

Ms. Sue, wouldn't it be 9^10? I think 0 wasn't included, so it would be 10 numbers not 9.....right???
*July 26, 2011*

**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??
*July 26, 2011*

**Math**

36/52??
*July 26, 2011*

**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.
*July 26, 2011*

**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 ...
*July 23, 2011*

**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 :)
*July 23, 2011*

**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 ...
*July 23, 2011*

**To Reiny**

Can you please help me with those problems i answered you back thanks! :)
*July 23, 2011*

**help**

i believe she meant to type stocks not socks lol and it looks like an assignment....textbook would definitely come in handy :)
*July 23, 2011*

**Math**

okay great! thanks :)
*July 23, 2011*

**Math**

9^9 = 387,420,489 different social security numbers are possible??
*July 23, 2011*

**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 :(
*July 23, 2011*

**Math**

oh thank you Ms. Sue....so the probability would be 31/52 or 0.596??
*July 23, 2011*

**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??
*July 23, 2011*

**Math**

oh okay...thank you Reiny for your help :)
*July 23, 2011*

**Math**

1523816/303824640 = 0.005 1 - 0.005 = 0.995 or would it be 0.990 when rounded to the nearest thousandth?
*July 23, 2011*

**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...
*July 23, 2011*

**Math-probability**

thank you Damon :)
*July 22, 2011*

**Math-probability**

Oh i forgot to ask....would i use A=Pir^2?
*July 22, 2011*

**Math-probability**

yes you are correct Ms. Sue, thank you both :)
*July 22, 2011*

**Math-probability**

so it would be 0.0330??
*July 22, 2011*

**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 ...
*July 22, 2011*

**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 ...
*July 22, 2011*

**MATH**

so PuroServ expects to make $9,650 with their new purchase?
*July 22, 2011*

**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 ...
*July 22, 2011*

**Math**

thank you Ms. Sue. I didn't realize he had responded :)
*July 22, 2011*

**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??
*July 22, 2011*

**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 ...
*July 22, 2011*

**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.
*July 22, 2011*

**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...
*July 22, 2011*

**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 ...
*July 22, 2011*

**Math**

okay, but my only options to choose from are: 117:168 117:285 168:285 168:117 ??
*July 22, 2011*

**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?
*July 22, 2011*

**Math**

i was looking for a fraction answer...thats what i thought it was...thanks :)
*July 22, 2011*

**Math**

would it be 17/214?
*July 22, 2011*

**Math**

If the odds of winning a raffle are 17:214, what is the probability of winning?
*July 22, 2011*

**Math**

oh i didn't know that is how i solve it...thank you again
*July 22, 2011*

**Math**

If the probability of seeing moose in a day in a certain region of Alaska is 0.37, what is the probability of not seeing any moose in a day there?
*July 22, 2011*

**Math**

oh its that easy? wow thank u :)
*July 22, 2011*

**Math**

23 college sophomores at Crocodile Community College, 12 preferred pepperoni pizza, 7 preferred supreme, and 4 preferred cheese. If we picked a college sophomore at Crocodile Community College at random, what is the probability that he or she would prefer supreme? Give ...
*July 22, 2011*

**Math**

A person spins the pointer and is awarded the amount indicated by the pointer. (A circle with 3 sections divided: $2, $5, $10). The pointer stops on $2. It costs $6 to play the game. Determine: a.) The expectation of a person who plays the game. b.) The fair price to play the ...
*July 21, 2011*

**Math**

what do you mean by draw your conclusion?
*July 21, 2011*

**Math**

A person spins the pointer and is awarded the amount indicated by the pointer. (A circle with 3 sections divided: $2, $5, $10). The pointer stops on $2. It costs $6 to play the game. Determine: a.) The expectation of a person who plays the game. b.) The fair price to play the ...
*July 21, 2011*

**coms 285**

i'm sure this info can be found in your textbook and you can even quote it as well with your references....maybe google it too :)
*July 21, 2011*

**Math**

oooooh okay....thank you for your help :)
*July 21, 2011*

**Math**

One thousand raffle tickets are sold for $4.00 each. One grand prize of $800 and two consolation prizes of $100 each will be awarded. Jeremy purchases one ticket. Find his expected value.
*July 21, 2011*

**Math**

oh okay...so confusing...thank you.
*July 20, 2011*

**Math**

In a multiple-choice test, each question has five options. Students will get 5 points for each correct answer; lose 2 point for each incorrect answer; and receive no points for unanswered questions. A student does not know the correct answer for one question. Is it to her ...
*July 20, 2011*

**Math-probability**

yes thank you.
*July 20, 2011*

**Math-probability**

In a multiple-choice test, each question has five options. Students will get 5 points for each correct answer; lose 2 point for each incorrect answer; and receive no points for unanswered questions. A student does not know the correct answer for one question. Is it to her ...
*July 20, 2011*

**Math**

great! i get it...thank u :)
*July 20, 2011*

**Math**

225/500 = 0.45??
*July 20, 2011*

**Math**

oooooooh i totally messed up!!! sorry i did 500/180 instead of 180/500....so it would be 0.36....sorry :(
*July 20, 2011*

**Math**

is it 180/500 = 2.7777???
*July 20, 2011*

**Math**

Mr. Doodle’s grade distribution over the past 3 years for a course in college algebra is shown in the chart below. Grade Number A 45 B 180 C 110 D 95 F 65 I 5 If Jane plans to take a college algebra course with Mr. Doodle, determine the empirical probability that she ...
*July 20, 2011*

**Math**

One thousand raffle tickets are sold for $4.00 each. One grand prize of $800 and two consolation prizes of $100 each will be awarded. Jeremy purchases one ticket. Find his expected value.
*July 19, 2011*

**Math**

In a multiple-choice test, each question has five options. Students will get 5 points for each correct answer; lose 2 point for each incorrect answer; and receive no points for unanswered questions. A student does not know the correct answer for one question. Is it to her ...
*July 19, 2011*

**Math**

Mr. Doodle’s grade distribution over the past 3 years for a course in college algebra is shown in the chart below. Grade Number A 45 B 180 C 110 D 95 F 65 I 5 If Jane plans to take a college algebra course with Mr. Doodle, determine the empirical probability that she ...
*July 19, 2011*

**Math**

Yes, sorry about that... Mr. Doodle’s grade distribution over the past 3 years for a course in college algebra is shown in the chart below. Grade Number A 45 B 180 C 110 D 95 F 65 I 5 If Jane plans to take a college algebra course with Mr. Doodle, determine the empirical ...
*July 19, 2011*

**Math**

Jane plans to take a college algebra course with Mr. Doodle, determine the empirical probability that she receives at least a B.
*July 19, 2011*

**Math-probability**

The odds against Lounging Larry winning the horse race are 5:9. Determine the probability that Lounging Larry wins the horse race.
*July 19, 2011*

**Algebra**

Well from the expression here, my answer would be 22, but that is not one of your options.... 16 + 8 + 3 - 5 = 22
*July 19, 2011*

**Math-probability**

One card is selected at random from a deck of cards. Determine the probability that the card is a black heart.
*July 19, 2011*

**Math-probability**

The theoretical probability of undesirable side effects resulting from taking Grebex is 2 in 19. If 380 people take Grebex to lower their blood pressure, how many will encounter undesirable side effects?
*July 19, 2011*

**Math-probability**

Jane plans to take a college algebra course with Mr. Doodle, determine the empirical probability that she receives at least a B.
*July 19, 2011*

**Math**

30 basketballs (15 Spalding, 10 Wilson, and 5 other brand-name balls) are on a basketball court. Barry Wood closes his eyes and arbitrarily picks up a ball from the court. Determine the probability that the ball selected is a Wilson or a Spalding.
*July 19, 2011*