Saturday

July 4, 2015

July 4, 2015

Total # Posts: 3,334

**statistics**

5.20 There are 100 males and 120 females in the graduating class of a local high school. Thirty-five percent of the graduating males are on school sports teams, as are 30% of the graduating females. A local businessperson is going to donate $1000 to the favorite charity of a ...
*August 21, 2011*

**trig**

how do you find all the values of theta from 0 degrees through 360 degrees for which sin theta equals 0
*August 18, 2011*

**Math**

Hi. So we had a long test with this question.. I was wondering how to solve it? Coz our teacher didn't discuss the answers.. and most probably we'll have the same type of question during midterms.. Find the Solution Set 9/|2-5x| - 4/y^2-3y = 5 2/|2-5x| + 2/ 3(y^2-3y...
*August 17, 2011*

**statistics**

1. In a Gallup poll of 2,040 adults, 956 said that second-hand smoke is very harmful. What is the percentage of adults who said second-hand smoke is very harmful?
*August 7, 2011*

**Math**

great! thanks :)
*August 1, 2011*

**Math**

thanks Ms. Sue, i just wanted to be sure i did it correctly...but either way is correct right??
*August 1, 2011*

**Math**

Given the bar graph below, create a grouped frequency distribution: Hours per week: 0 1 2 3 Mike 4 5 Don 6 Daniel 7 Jake, Greg 8 Asad 9 Sandra 10 Drake 11 12 Andrea 13 This is what i got, please tell me if i did this correctly :) Hours per week # of persons 3 1 5 1 6 1 7 2 8 1...
*August 1, 2011*

**math**

I am not sure what you're talking about.
*August 1, 2011*

**math**

find the center and radius of a circle given the equation in general form x^2+y^2+4x-6y+2=0. center: ? radius: ?
*August 1, 2011*

**Math**

Given the bar graph below, create a grouped frequency distribution: Hours per week: 0 1 2 3 Mike 4 5 Don 6 Daniel 7 Jake, Greg 8 Asad 9 Sandra 10 Drake 11 12 Andrea 13 This is what i got, please tell me if i did this correctly :) Hours per week # of persons 3 1 5 1 6 1 7 2 8 1...
*August 1, 2011*

**MATH**

but i have to submit it online....
*August 1, 2011*

**MATH**

The frequency distribution indicates the heights of 45 male high school seniors. Height(in.) Number of Males 64 2 65 6 66 7 67 9 68 10 69 6 70 3 71 0 72 2 a) Construct a histogram of the frequency distribution. b) Construct a frequency polygon of the frequency distribution. I...
*August 1, 2011*

**Math...LOST!!**

how can i draw a histogram if i cannot access my microsoft word program??
*July 31, 2011*

**Math...LOST!!**

I have the materials, I just don't understand it at all!!!
*July 31, 2011*

**Math...LOST!!**

Heights The frequency distribution indicates the heights of 45 male high school seniors. Height(in.) Number of Males 64 2 65 6 66 7 67 9 68 10 69 6 70 3 71 0 72 2 a) Construct a histogram of the frequency distribution. b) Construct a frequency polygon of the frequency ...
*July 31, 2011*

**Math-geometry**

great! thanks!
*July 31, 2011*

**Math-geometry**

is this correct?? p->q p q p->q T T T T F F F T T F F T
*July 31, 2011*

**Math-geometry**

Write the statement in symbols using the p and q given below. Then construct a truth table for the symbolic statement and select the best match. p = I eat too much q = I'll exercise. I'll exercise if I eat too much.
*July 31, 2011*

**Math-Ms. Sue**

I did....how is that incorrect???
*July 31, 2011*

**Math-Ms. Sue**

I apologize Ms. Sue, I was reading the wrong problem...I believe the 1st quartile is 117 and the 3rd quartile is 140....am i correct??
*July 31, 2011*

**Math-Ms. Sue**

The number of dry cleaning orders picked up at Sunny Fresh Dry Cleaners was sampled over 12 hour periods. Below is the sample: 142 171 125 91 140 125 97 125 162 142 125 117 89 125 140 128 From this data set, compute the sample mean, median, mode and midrange. Compute the 1st ...
*July 31, 2011*

**Math**

how can i draw the frequency table and pie chart if i cannot use microsoft word program???
*July 31, 2011*

**Math**

Below are the home states of 17 college professors. Ohio Georgia New Jersey Georgia Nebraska Michigan Ohio Pennsylvania South Carolina New Jersey New Jersey South Carolina Wisconsin Michigan Pennsylvania Ohio Wisconsin i. Make a frequency table using these 8 states: Georgia ...
*July 31, 2011*

**Math-Confused :(**

Given the bar graph below, create a grouped frequency distribution: Hours per week: 0 1 2 3 Mike 4 5 Don 6 Daniel 7 Jake, Greg 8 Asad 9 Sandra 10 Drake 11 12 Andrea 13
*July 31, 2011*

**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. &...
*July 31, 2011*

**Math**

no....still lost with how to construct the table....
*July 31, 2011*

**Math**

Write the statement in symbols using the p and q given below. Then construct a truth table for the symbolic statement and select the best match. p = I eat too much q = I'll exercise. I'll exercise if I eat too much. Is it q->p?? I do not know how to do the truth ...
*July 31, 2011*

**Math**

A bag contains 7 lavender marbles, 11 turquoise marbles and 5 rainbow marbles. What is the chance of drawing a rainbow marble? If a rainbow marble is drawn then placed back into the bag, and a second marble is drawn, what is the probability of drawing a lavender marble? Give ...
*July 30, 2011*

**Math**

$600? or $400??
*July 30, 2011*

**Math**

so his expected value is $600?
*July 30, 2011*

**Math**

1,000-600=400 ??
*July 30, 2011*

**Math**

One thousand raffle tickets are sold for $1.00 each. One grand prize of $400 and two consolation prizes of $100 each will be awarded. Jeremy purchases one ticket. Find his expected value. ??
*July 30, 2011*

**Math-probability**

2 + 240 = 240, so the probability of winning is 2/242??
*July 30, 2011*

**Math-probability**

If the odds of winning a raffle are 2:240, what is the probability of winning? I think it's 2/240??
*July 30, 2011*

**Math**

The 1st quartile (lower quartile) is 34 and the 3rd quartile (upper quartile) is 61. The lower quartile is the middle value of the lower half. The upper quartile is the middle value of the upper half. is that correct??
*July 30, 2011*

**Math**

yay!! thanks!! but what about the second part: Compute the 1st quartile and 3rd and interpret their meanings. ?? im confused
*July 30, 2011*

**Math**

the mean is 2044/16 = 127.75 the median is 125 + 125 = 250/2 = 125 the range is 171 - 89 = 82 Am i correct?
*July 30, 2011*

**Math**

The number of dry cleaning orders picked up at Sunny Fresh Dry Cleaners was sampled over 12 hour periods. Below is the sample: 142 171 125 91 140 125 97 125 162 142 125 117 89 125 140 128 From this data set, compute the sample mean, median, mode and midrange. Compute the 1st ...
*July 30, 2011*

**Math**

thanks Ms. Sue, that really helped :)
*July 30, 2011*

**Math**

The number of dry cleaning orders picked up at Sunny Fresh Dry Cleaners was sampled over 4 hour periods. Below is the sample: 61 58 67 52 25 64 38 49 51 61 58 61 27 61 58 34 Construct a stem and leaf plot of the data. I have no idea ??
*July 30, 2011*

**Math**

still have no idea....
*July 30, 2011*

**Math**

Write the statement in symbols using the p and q given below. Then construct a truth table for the symbolic statement and select the best match. p = I eat too much q = I'll exercise. I'll exercise if I eat too much. Is it q->p?? I do not know how to do the truth ...
*July 30, 2011*

**Math**

The theoretical probability of undesirable side effects resulting from taking Grebex is 1 in 20. If 100 people take Grebex to lower their blood pressure, how many will encounter undesirable side effects? Would it be 5 people that will encounter undesirable side effects??
*July 29, 2011*

**Math**

What is the exact circumference of a circle with a diameter of 21 inches? Is it 110.25p inches??
*July 29, 2011*

**Math**

Write the statement in symbols using the p and q given below. Then construct a truth table for the symbolic statement and select the best match. p = I eat too much q = I'll exercise. I'll exercise if I eat too much. Is it q->p?? I do not know how to do the truth ...
*July 29, 2011*

**Math**

yay! i get it now :) thanks!
*July 29, 2011*

**Math**

so its: If the grass grows too tall, then I did not mow the lawn??
*July 29, 2011*

**Math**

Form the converse: If I do not mow the lawn, then the grass grows too tall. Is it: If the grass does not grow too tall, then I did not mow the lawn??
*July 29, 2011*

**Math**

thanks a million!
*July 29, 2011*

**Math**

(90) + (138) - (48) = 180 + 32 = 212 ??
*July 29, 2011*

**Math**

The National Association for Women in Science asked recent high school grads if they had taken certain science classes. Of those surveyed, 90 said they had taken physics, 138 said they had taken chemistry and 45 said they had taken both. Thirty-two said they had taken neither...
*July 29, 2011*

**Math**

yes :) thanks
*July 29, 2011*

**Math**

because its the amount in the {}
*July 29, 2011*

**Math**

The cardinal number of the set {cat, dog, horse, fish, lizard, meerkat, rhinoceros, elephant, giraffe, platypus, hippopotamus, skunk} is ____. I think its 12 right?
*July 29, 2011*

**Math**

still working on it...
*July 29, 2011*

**Math**

great! thanks!
*July 29, 2011*

**Math**

Given the situation described, identify the type of sampling involved. Students at Local U are classified according to the progress toward their degree program as freshmen, sophomores, juniors, seniors and nonmatriculating, then random samples from each class are taken. I ...
*July 29, 2011*

**Math**

The number of dry cleaning orders picked up at Sunny Fresh Dry Cleaners was sampled over 12 hour periods. Below is the sample: 142 171 125 91 140 125 97 125 162 142 125 117 89 125 140 128 From this data set, compute the sample mean, median, mode and midrange. Compute the 1st ...
*July 29, 2011*

**Math**

The number of dry cleaning orders picked up at Sunny Fresh Dry Cleaners was sampled over 4 hour periods. Below is the sample: 61 58 67 52 25 64 38 49 51 61 58 61 27 61 58 34 Construct a stem and leaf plot of the data. ??
*July 29, 2011*

**Math**

thats it? oh i wasnt sure if thats how you answer it...it seemed simple, but i thought it was a trick question or something, haha...thanks Ms.Sue :)
*July 29, 2011*

**Math**

Haley was told that her systolic blood pressure reading of 123 was in the 56th percentile for people aged 16-24. Interpret its meaning. Im not even sure about this question....
*July 29, 2011*

**Math**

Given the situation described, identify the type of sampling involved. Students at Local U are classified according to the progress toward their degree program as freshmen, sophomores, juniors, seniors and nonmatriculating, then random samples from each class are taken. I ...
*July 29, 2011*

**Math**

yes i have seen the examples of the formula but was still very confused...thanks you two :)
*July 29, 2011*

**Math**

If P(A or B) = 0.5, P(A) = 0.2 and P(B) = 0.7, determine P(A and B).
*July 29, 2011*

**Math**

still confusing to me why you would divide by P(B)....
*July 29, 2011*

**Math**

Given that P(A) = 0.5, P(B) = 0.6, and P(A and B) = 0.30, determine P(A|B) ??
*July 29, 2011*

**Math**

i know i just dont know how to input it correctly on my computer :(
*July 29, 2011*

**Math**

Evaluate: 7^C4 i think its something like: (7*6*5*4*3*2*1) / ((2*1)(4*3*2*1)) = (7*6*5*4)/(4*3*2*1) = (7*6*5)/(2*1) = 105...did i do i right??
*July 29, 2011*

**Math-probability**

oh whoa i was way off! thanks Reiny :)
*July 29, 2011*

**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 thats correct....
*July 29, 2011*

**Math**

hmmmmm.....
*July 29, 2011*

**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. ...
*July 29, 2011*

**Math**

oh okay i get it...
*July 29, 2011*

**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 ...
*July 29, 2011*

**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?
*July 28, 2011*

**Math**

yay!!!haha...thanks!!!
*July 28, 2011*

**Math**

oh wait is it 10*7 = 70 different sections??
*July 28, 2011*

**Math**

oh i did 10/7, but is it 7/10 which is 0.7??
*July 28, 2011*

**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??
*July 28, 2011*

**Math**

ok....will do
*July 28, 2011*

**Math**

im confused!! :(
*July 28, 2011*

**Math**

2. 4/12? 3. 8/12??
*July 28, 2011*

**Math**

i believe the first one is 4/52? the second one is 2/12? and the last one is 4/12?
*July 28, 2011*

**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. &...
*July 28, 2011*

**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)
*July 28, 2011*

**Math**

yes thats what it means, but im stuck on this problem....
*July 28, 2011*

**Math**

im not sure what P is....
*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 28, 2011*

**Math-Please help**

yes, thank you Damon...i couldn't figure how to explain it
*July 28, 2011*

**Math-Please help**

its the counting principle....
*July 28, 2011*

**Math-Please help**

its like 5^C3....i posted it on wednesday and Reiny responded but never answered me back....
*July 28, 2011*

**Math-Please help**

Evaluate 5C3
*July 28, 2011*

**Math**

P stands for probability
*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 28, 2011*

**Math**

oh okay well thank you anyway :)
*July 28, 2011*

**Math**

yay! :) thanks! can you help me with the other problems i posted? i would greatly appreciate it! thank you :)
*July 28, 2011*

**Math**

oh okay so its 8*4*5 = 160 outfits correct?
*July 28, 2011*

**Math**

so 8 different outfits??? im confused :(
*July 28, 2011*

**Math**

17 different outfits?
*July 28, 2011*

**Math**

it is 12:17?
*July 28, 2011*