# Posts by Jen

Total # Posts: 3,531

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

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...

math
I am not sure what you're talking about.

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: ?

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...

MATH
but i have to submit it online....

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...

Math...LOST!!
how can i draw a histogram if i cannot access my microsoft word program??

Math...LOST!!
I have the materials, I just don't understand it at all!!!

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 ...

Math-geometry
great! thanks!

Math-geometry
is this correct?? p->q p q p->q T T T T F F F T T F F T

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.

Math-Ms. Sue
I did....how is that incorrect???

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??

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 ...

Math
how can i draw the frequency table and pie chart if i cannot use microsoft word program???

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 ...

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

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
no....still lost with how to construct the table....

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 ...

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 ...

Math
\$600? or \$400??

Math
so his expected value is \$600?

Math
1,000-600=400 ??

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. ??

Math-probability
2 + 240 = 240, so the probability of winning is 2/242??

Math-probability
If the odds of winning a raffle are 2:240, what is the probability of winning? I think it's 2/240??

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??

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

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?

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 ...

Math
thanks Ms. Sue, that really helped :)

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 ??

Math
still have no idea....

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 ...

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??

Math
What is the exact circumference of a circle with a diameter of 21 inches? Is it 110.25p inches??

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 ...

Math
yay! i get it now :) thanks!

Math
so its: If the grass grows too tall, then I did not mow the lawn??

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??

Math
thanks a million!

Math
(90) + (138) - (48) = 180 + 32 = 212 ??

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...

Math
yes :) thanks

Math
because its the amount in the {}

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?

Math
still working on it...

Math
great! thanks!

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 ...

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 ...

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. ??

Math
thats it? oh i wasn't sure if that's how you answer it...it seemed simple, but i thought it was a trick question or something, haha...thanks Ms.Sue :)

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....

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 ...

Math
yes i have seen the examples of the formula but was still very confused...thanks you two :)

Math
If P(A or B) = 0.5, P(A) = 0.2 and P(B) = 0.7, determine P(A and B).

Math
still confusing to me why you would divide by P(B)....

Math
Given that P(A) = 0.5, P(B) = 0.6, and P(A and B) = 0.30, determine P(A|B) ??

Math
i know i just don't know how to input it correctly on my computer :(

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??

Math-probability
oh whoa i was way off! thanks Reiny :)

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