Wednesday

June 29, 2016
Number of results: 11,390

**Essentials of statistics**

A populations of scores forms a normal distribution with a mean of 40 and a standard deviation of 12 what is the probability of selecting a sample of n=9 scores with a mean less than m=34
*July 31, 2010 by Anonymous*

**Diversity**

When selecting books for young children, you should avoid those that include 1 unusual characters that deviate from the norm. 2 exaggerated characteristics based on race or gender. 3 illustrations depicting strong females and sensitive males.
*June 17, 2013 by Annoymous*

**science**

I had to I an experiment where a balloon was tied to each end of a meter stick which was balanced on a pencil over two cans. I had to pop one balloon which caused the pencil, stick and other balloon to fall off the cans. I need to use particle theory to explain what happened ...
*October 10, 2012 by Cherie*

**Chemistry**

Dr. Bob222, Yesterday I posted a question and you answered me with how to calculate it.. Can you tell me if I'm doing this correctly?? Please! Consider the following chemical equation: TiCl4(g) + 2Mg(l) → Ti(s) + 2MgCl2(l) 3.54×107g of TiCl4(g) were reacted completely ...
*February 25, 2015 by Jennie*

**Math**

Michael has a science project due. He knew that it would take him 4 hours to complete the project. He needed to spend 50% of his time on his experiment, 40% of his time on his analysis, and 10% on putting his project together. What is the ratio of time spent putting his ...
*March 30, 2014 by Anonymous*

**Physics**

A juggler throws a ball with an initial horizontal velocity of +1.1 m/s and an initial vertical velocity of +5.7 m/s. What is its acceleration at the top of its flight path? Make sure to consider the sign when responding. Consider the upward direction as positive. What ...
*September 13, 2014 by Alexandra *

**Chemistry**

seriously, any help would be much appreciated. You conduct another experiment on silver condensation. You add 8.0 g of silver nitrate to 200 mL of pure water. You attach a single 850 mAh AAA battery (at 1.3 V) to the electrochemical cell. You can assume that the entire battery...
*November 18, 2013 by kyle*

**psychology**

Dr. Jefferson is conducting an experiment in which she is interested in the effects of caffeine on visuospatial ability in adult participants. She conducts an experiment in which she gives one group a pill containing 20mg of caffeine and a second group a placebo pill. One hour...
*September 13, 2015 by Bill*

**Data Management Help!**

A coin was tossed 1000 times in an experiment to decide whether it really had an equal chance of coming up heads or tails. The decision was made in advance to declare the coind NOT FAIR if the observed outcome of the experiment had less than a 5% chance of happening. Would the...
*June 7, 2008 by Jenna*

**Data management**

A coin was tossed 1000 times in an experiment to decide whether it really had an equal chance of coming up heads or tails. The decision was made in advance to declare the coind NOT FAIR if the observed outcome of the experiment had less than a 5% chance of happening. Would the...
*June 10, 2008 by Jenna*

**math**

dale placed six cARDS IN A BAG.QONE CARD IS LABELD 1,TWO CARDS ARE LABELD2,AND RTHREE CARDS ARE LABELD 3.FIND THE PROBABILITY OOF PICKING TWO CARDS IN THE ORDER OF THE NUBERS LISTED TH EFIRST CARD IS RETURNED BEFORE THE SECOND IS PICKED ..... P,(1,2) P(3,NOT1) p(NOT2,2) P(1,3...
*May 22, 2007 by sam*

**statistics**

Find the probability of drawing a flush in 5-card poker.
*November 10, 2007 by Anonymous*

**math**

what is the probability of a six card hand cantoning no fives?
*July 29, 2010 by dave*

**Question **

did pier 1 anooce the winners of the gift card contest??
*December 7, 2011 by Laruen *

**Probability With Cards**

When drawing a card from a deck, the P(king and hearts) is:
*September 30, 2013 by Alex*

**math: probability**

How many 13 card hands can be made from a deck of 52 cards?
*May 10, 2016 by Please check my answer*

**Math**

I have a few questions on my homework assignment. I've been sick and I have no idea what I'm doing. Question 1: Assume the hights of high school bball players are normally distributed. For the boys the mean is 74" with a standard deviation of 4.5" while girl players have a ...
*March 30, 2008 by Amanda*

**AED**

Choose a grade level and a scientific concept appropriate for that level. • Plan a science experiment to explore this concept. In your paper, address the following points: o List the equipment and materials to be included in the science kit. o Explain what safety precautions ...
*November 19, 2008 by troyer0269*

**Science **

So I did a science experiment and I have to wrap a coil wire around a nail and tap the other end to a battery. Then see how many paper clips will stick to the nail, and I had to wrap more coil wire around the nail over time and stuff and record the data. Now I must choose the ...
*May 10, 2016 by Anonymous*

**English**

I forgot to include the followig sentences. I really hope you can have a look at them too. 1)How did Marlow consider Kurtz and why? Marlow considers Kurtz a hallow man because inside of him there was nothing to fight the influence of the wild jungle. 2) Why did the natives ...
*September 12, 2010 by Franco*

**Probabiliy **

Another card game. In a new card game, you start with a well-shuffed full deck and draw 3 cards without replacement. If you draw 3 hearts, you win $50. If you draw 3 black cards, you win $25. For any other draws, you win nothing. (a) Create a probability model for the amount ...
*January 28, 2016 by Sanaya*

**Biology**

hi! so I have to make an experiment on heat loss & insulation and so, I did an experiment on which material insulates best against the wind of a fan--styrofoam, plastic or aluminum can. each has hot water in it but the styrofoam took the longest for the hot water to cool ...
*November 12, 2012 by Cara*

**7th grade Science**

Can you check my answer below, please? Elizabeth did an experiment to test the effect of salt water on rusting rate of a nail. She put 3 nails in the same bowl of salt for one week. How could she improve her experiment? Ans: 1) place each nail in a separate bowl with different...
*October 1, 2014 by Alexis*

**math**

write an inequality for each problem.Then solve the inequality. 1. You and the chess teacher have been playing chess for 18 minutes.To make the chess club, you must win the game in less than 45 minutes. How much time do you have to win the chess game? 2. Your phone card allows...
*February 28, 2013 by peter*

**NEED HELP PLZ!!! STATS**

Three cards are selected, one at a time from a standard deck of 52 cards. Let x represent the number of tens drawn in a set of 3 cards. (A) If this experiment is completed without replacement, explain why x is not a binomial random variable. (B) If this experiment is completed...
*October 23, 2011 by Jennifer*

**chemistry**

n one experiment, a mixture of 1.000 mol acetic acid and 0.5000 mol ethanol is brought to equilibrium. A sample containing exactly one-hundredth of the equilibrium mixture requires 28.80mL 0.1040M Ba(OH)2 for its titration. Calculate the equilibrium constant, , for the ethanol...
*March 13, 2011 by gss*

**Math**

Three cards are selected, one at a time from a standard deck of 52 cards. Let x represent the number of tens drawn in a set of 3 cards. (A) If this experiment is completed without replacement, explain why x is not a binomial random variable. (B) If this experiment is completed...
*October 21, 2011 by Jen*

**Stats**

Three cards are selected, one at a time from a standard deck of 52 cards. Let x represent the number of tens drawn in a set of 3 cards. (A) If this experiment is completed without replacement, explain why x is not a binomial random variable. (B) If this experiment is completed...
*October 23, 2011 by Jennifer*

**statistics**

Two cards are selected, one at a time from a standard deck of 52 cards. Let x represent the number of Jacks drawn in a set of 2 cards. (A) If this experiment is completed without replacement, explain why x is not a binomial random variable. (B) If this experiment is completed ...
*October 4, 2012 by mom*

**statistics**

A class consists of 50 students, 20 of them are girls and boys, 10 them are rich and remaining poor, 5 of them are fair complxioned, 3 are intelligent. What is the probability of selecting a fair complexioned rich intelligient girl?
*February 20, 2011 by uma*

**Statistics**

Find probability of getting outcome of heads and a five when a coin is tossed and a single die is rolled. = .50 for coin toss .17 for die Poll confidence level. Common for public opinion polls to have confidence level of 95%.If 5 different organizations conduct polls, what's ...
*December 5, 2006 by David*

**Finance**

What is the elaborate process for balance transfer between card accounts?
*November 10, 2009 by Chitra*

**English Lit.**

How do you correctly add source card info to your report?
*December 20, 2009 by Brenda*

**statistics**

If a card is drawn at random from a deck of 52, what is the probability that it is an ace or a heart?
*September 15, 2011 by Kate*

**English/ Literature**

What does "wild card" mean? Choose any literary device?
*June 18, 2012 by IB student*

**Statistics**

Can you get the mean, median, and mode from a list of credit card names?
*January 19, 2013 by Tonya*

**Math**

The probability of pulling a heart or a red card from a deck of cards is?
*October 12, 2013 by Alex*

**Algebra**

Probability of drawing a red diamond from a 52 card deck of cards.
*April 22, 2016 by HeLp*

**English**

I am working on an assignment that requires we write out our thesis statement and then write paragraphs that support this. Can I get your feedback on what I have so far? Thesis Statement: Even though having a credit card can help teach financial responsibility with some, ...
*July 5, 2011 by Student 155*

**stats**

The percent of fat calories that a person that in America consumes each day is normallydistributed with a mean of 36 and a standard deviation of 10. Suppose that 16 individuals are randomly chosen for an experiment. 1. Completely describe the distribution of sample means for ...
*April 28, 2013 by Kayla*

**mah**

Let A = {a, b} and list the four elements of the power set P (A). We consider the operations + to be ∪, · to be ∩, and complement to be set complement. Consider 1 to be A and 0 to be ∅. a. Explain why the description above defines a Boolean algebra. b. ...
*April 7, 2015 by excel*

**mah**

Let A = {a, b} and list the four elements of the power set P (A). We consider the operations + to be ∪, · to be ∩, and complement to be set complement. Consider 1 to be A and 0 to be ∅. a. Explain why the description above defines a Boolean algebra. b. ...
*April 8, 2015 by excel*

**Diversity**

When selecting books for young children, you should avoid those that include 1 unusual characters that deviate from the norm. 2 exaggerated characteristics based on race or gender. 3 illustrations depicting strong females and sensitive males. Is number 2 correct?
*June 17, 2013 by Annoymous*

**moments of inertia**

I determined the area moment of inertia and the product of inertia of the cross-section of a beam about the centroidal axes using equations. I am now asked to design an experiment to verify the results that I obtained through equations. Can someone please suggest an experiment...
*April 7, 2010 by Claire*

**statistics**

We have a group of 75 people and for their raw scores, you are given the Mean (M = 30) and variance (VAR = 16). Assuming a normal distribution of scores, what is the probability of randomly selecting a score between 27 and 31 for this group?
*February 29, 2012 by james akbar*

**Statistics**

A batch consists of 20 bad apples and 80 good ones. What is the probability of selecting 2 good apples when two are randomly selected if the first selection is replaced before the second is made?
*July 15, 2013 by Carrie*

**Curriculum**

Which of the following is not something to be considered when selecting a theme for a particular group of children? A. The availability of resources B. The relevance of the topic to the children C. Curriculum requirements D. Whether it involves technology my answer is d.
*September 16, 2014 by Daniela*

**maths probability...**

I can't answer this exam question! Please help me: Jodie and Karen play a game with a pack of 40 numbered cards. There are four cards with each number from 0 to 9. Jodie picks a card and keeps it. Karen then picks a card. What is the probability that they both pick a number 5...
*May 30, 2007 by jaffacakes*

**Chemistry**

1. Explain in terms of rate laws and/or reaction quotients why the product’s low solubility favors the forward reaction over the reverse. The forward rate law is rate = k[maleic acid]n and the reverse rate law is: rate = k[fumaric acid]n. Consider how the rate laws are ...
*October 25, 2015 by Andrew*

**DRWLS**

the estimate and uncertainty for experiment 1 is .15+-.01 and the .12+-.01 for experiment 2. Is the discrepancy between these two data sets significant? Why? I would say yes, the discrepancy is probably significant, because the measurements should agree to within less than ...
*October 18, 2008 by Tiffany*

**edu**

Ms Sanchez is selecting a picture book to share with her two year olds. She will try to select a book with: a.few pictures so the story is lessened d. detail messages c.simple drawings d.fantasy type illustrations I think d not sure
*February 23, 2013 by ray*

**math**

In a shuffled deck of 52 cards, we remove 1 card (we don’t know which one) and use LINEAR SEARCH to find the two of clubs. a. What is the average cost to find the two of clubs, if it is guaranteed to be in the deck? b. What is the average cost if the two of clubs is equally ...
*July 14, 2014 by Raymond*

**CHEM 1LB**

Which of the following safety precautions is unnecessary for the 'Mass Percent of ASA' experiment? A. Safety goggles should be worn. B. Do not ingest the aspirin used in this experiment as it may be contaminated with other chemicals. C. The FeCl3solution is acidic and ...
*January 21, 2011 by Shawn Tabrizi *

**Chemistry**

Calculate the theoretical yield in moles of Fe(C5H7O2)3 for this experiment. Record this number on your data sheet. Calculate the theoretical yield in g Fe(C5H7O2)3 (GMM: 353.18g mol^-1), for this experiment. Record this number on your data sheet. I really need help on these ...
*October 21, 2012 by Singh*

**chemistry**

Calculate the theoretical yield in moles of Fe(C5H7O2)3 for this experiment. Record this number on your data sheet. Calculate the theoretical yield in g Fe(C5H7O2)3 (GMM: 353.18g mol^-1), for this experiment. Record this number on your data sheet. I really need help on these ...
*October 21, 2012 by Anonymous*

**Writing**

Please help.. Did i identify all of the adverbs and adjectives in the following? I personally did not have any credit cards for a very long time. In the past, I have had more then I needed and found them only causing me problems. I was young and not very aware of the ...
*August 3, 2011 by Anonymous*

**science**

A university student wants to perform an experiment using mice as test subjects. The procedure would require the mice to be injected with a specific bacterial infection and then treated with an antibiotic. Their response to the treatment would be observed and recorded. Provide...
*April 4, 2008 by Dj*

**science**

A university student wants to perform an experiment using mice as test subjects. The procedure would require the mice to be injected with a specific bacterial infection and then treated with an antibiotic. Their response to the treatment would be observed and recorded. Provide...
*April 4, 2008 by Beauty*

**science**

Hi. I am conducting a science experiment to present to a class. Details of experiment below. Materials: 1 can of non-diet soda 1 can of diet soda 2 buckets of water 1. Fill bucket 2. Put can of non-diet soda into a bucket of water. 3. Wait for the can to either sink or float. ...
*November 28, 2010 by Guy*

**travel and meeting planning **

when youre planning a convention,which one of the following steps would you complete first? a.forming the comittees b.writing the invitation c.selecting the site d.writing the program my answer is b
*November 7, 2013 by susue*

**health ,safety,and nutrition for the Young Child**

need to write a 300 word essay about what to look for when selecting a toy for a young I choose age 3-5 year old. how do I start the essay
*May 16, 2014 by Josephine*

**Library Science**

What are 8 different types of information commonly found on a card catalogue?
*February 20, 2008 by Kerry-Ann*

**Information Technology**

Explain the following: 1)Video Graphic Card 2)Output of Sound
*February 4, 2009 by Kerry-Ann*

**math**

a card is drawn from a well shuffled deck of 52 cards .find(p drawing an ace or a 9)
*October 27, 2009 by rency*

**com 156**

why should credit card companies not be allowed to market on campus?
*March 6, 2011 by sheyenne*

**ALGEBRA**

What are the odds in favor of drawing a card lower than a 5 from an ordinary deck of cards?
*November 27, 2011 by Daniel*

**ALGEBRA**

What are the odds in favor of drawing face card from an ordinary deck of cards? to
*May 23, 2012 by Randy*

**ALGEBRA**

What are the odds in favor of drawing face card from an ordinary deck of cards? to
*May 29, 2012 by Urgen please help*

**math**

What are the odds in favor of drawing a card lower than a 5 from an ordinary deck of cards?
*September 15, 2012 by Anonymous*

**math**

convert the credit card rate to APR Oregon, 2 1/4% per month
*March 3, 2013 by Denise*

**algebra**

Convert the credit card rate to APR , Oregon, 2 1/4 per month
*March 6, 2013 by Denise*

**Statistics**

A card is drawn from a well shuffled deck of 52 cards. Find P (drawing an acre or a 9)
*April 7, 2016 by J*

**Stat**

A bank is testing a new method for getting delinquent customers to pay their past-due credit card bills. The standard way was to send a letter (costing about $0.45) asking the customer to pay. That worked 30% of the time. The bank wants to test a new method that involves ...
*November 11, 2013 by Lisa*

**Chemistry Need Help!**

Okay, the reaction is this: Naphthalene + HNO3 ---> NitroNapthalene The limiting reagent is Naphthalene The excess is the nitric acid The equation is 1:1 balanced as far as I know 3 g of Nap used in the experiment x 1mol/128.17 g/mol = .023 mol Nap 12.69 g used in the ...
*March 4, 2014 by ChrisZZ*

**Science**

The desert tortoise digs a burrow and hides in it during the day to stay cool, because of the extreme heat above ground. Which characteristic of life does this behavior best illustrate? A- response B- metabolism C- cellular organization D- growth and development (my guess is A...
*September 19, 2014 by Ayral*

**Science**

The desert tortoise digs a burrow and hides in it during the day to stay cool, because of the extreme heat above ground. Which characteristic of life does this behavior best illustrate? A- response B- metabolism C- cellular organization D- growth and development (my guess is A...
*September 19, 2014 by Sky*

**chemistry**

Suppose you put 50mL of water in the can instead of 100mL and heated it to 40 degrees instead of 20 degrees. In what ways, if any, would this afect the results of the experiment? What would happen if you used 200mL of water and heated it only 10 degrees? Can you think of any ...
*October 6, 2010 by Dan*

**Math**

Im stuck on these multiply choice questions for math. Please help. It's due tomorrow!! Question 1- Bob received a credit card statement that has a new balance of $786.75 and a minimum payment of $25.60. Bob makes only the minimum payment. He makes no other purchases. What will...
*March 10, 2016 by Leo*

**business**

Consider what this rule might mean to businesses, particularly those that contract with the government. Consider, for example, a store or outlet that purchases federal/military surplus. What provisions might they need to include in a contract that might not be required in a ...
*November 9, 2008 by Anonymous*

**business**

Consider what this rule might mean to businesses, particularly those that contract with the government. Consider, for example, a store or outlet that purchases federal/military surplus. What provisions might they need to include in a contract that might not be required in a ...
*April 21, 2010 by Truman*

**Math**

I was wondering if someone could help me check my work on this problem and see if I'm correct. Consider the experiment of drawing two cards without replacement from an ordinary deck of 52 playing cards. What are the odds in favor of drawing a spade and a heart? There are 52 ...
*November 28, 2009 by Punkie*

**Curious Maria**

what is the advantage of carrying out distillation processes under reduced pressures?? And ALSO can someone tell me the criteria used in selecting primary standards? i.e. NaHCO3, Na2CO3, KIO3, (COOH)2 and its salt as primary standard
*May 28, 2008 by Chemistry...distillation...simple yet weird quest.*

**Math**

In a card game player get at the start 2 green cards, 3 blue cards, 4 red cards, and 3 yellow cards. In how many ways can the player get cards at the start if this card game has 7 green, 7 blue, 10 red and 10 yellow cards?
*May 12, 2016 by Joe*

**math**

Emily, Cora, Sahil, and Juan are playing another game. Each player gets a card with a number on it. The reverse side of the card contains a hidden letter. The four players line up on a number line. If they are correct, the hidden letters spell a word. For Round 2, Emily has 2/...
*February 6, 2014 by Anonymous *

**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 by Jen*

**math**

Tom and Burt are to take turns removing either 1 or 2 marbles from a circle. There are 7 marbles. The person selecting the last marble is the loser. If tom goes first and each of them makes the best possible removals, who will lose?
*November 6, 2015 by MATHMAN*

**Business Law**

Consider what this rule might mean to businesses, particularly those that contract with the government. Consider, for example, a store or outlet that purchases federal/military surplus. What provisions might they need to include in a contract that might not be required in a ...
*April 19, 2007 by Richard*

**chem**

(5) In this experiment MnO4-is reduced to Mn 2+ by the unknown. What is the equivalent weight of MnO4- for this experiment? 52.68 (6) How many equivalents of electrons were transferred from the unknown solution? (7) What is the Normality of the 1.00 mL of the unknown solution...
*October 27, 2011 by bry*

**Chemistry**

The Cu2+ ions in this experiment are produced by the reaction of 1.0g of copper. Information already found out .016 mol Cu2+ produced Overall reaction is Cu2+(aq)+Cl-(aq)+Cu(s)=2 CuCl(s) Maximum mass of CuCl that can be prepared from the reaction sequence of this experiment ...
*October 23, 2012 by Julie*

**question fin 200**

Which financial ratios would you consider most useful? Would these ratios be different than the ones you would consider useful as an investor? Why or why not?
*June 4, 2009 by Meshelle*

**Chem Help Please!!!**

Experiment Design You are asked to separate a mixture of toluene and cyclohexane. Assume that they do not form an azeotropic mixture. Design an experiment to do this. You must provide the following information. a) A diagram of the equipment you will be. b) What distillate ...
*September 3, 2014 by Kim*

**Int. science**

Jose times how long sugar takes to dissolve in warm water. He conducts four trials of his experiment. What should he conclude from his data? Time: trial 1 30 seconds trial 2 32 seconds trial 3 10 seconds trial 4 29 seconds Sugar does not dissolve in water. The time recorded ...
*October 3, 2014 by blackveilbridesarmymember*

**sentences with all kinds of errors**

Recent economic concerns prompted President Obama to meet with credit card industry executives in April 2009. The national credit card delinquency rate has continued to grow in recent times, and the president, along with Congress, aims to end unfair fees and increases in ...
*October 26, 2010 by Anonymous*

**sentences with all kinds of errors**

Recent economic concerns prompted President Obama to meet with credit card industry executives in April 2009. The national credit card delinquency rate has continued to grow in recent times, and the president, along with Congress, aims to end unfair fees and increases in ...
*October 26, 2010 by Anonymous*

**science**

I did this experiment and I found these validity issues: they never specified if temperature to be measured in celcius or faren., they never mentioned that the buckets were to be the same, stirring until your arms get tired is not a good idea, but I need three more validity ...
*January 27, 2008 by peter*

**science**

I did this experiment and I found these validity issues: they never specified if temperature to be measured in celcius or faren., they never mentioned that the buckets were to be the same, stirring until your arms get tired is not a good idea, but I need three more validity ...
*January 27, 2008 by peter*

**maths**

1) A chemistry teacher requires 250 milligrams of a chemical for an experiment. He has 30 grams of the chemical. How many times can he carry out the experiment? 2) A bottle contains 1.5 litres of cola. Hannah drinks 300 ml of the cola and Ben drinks 450 ml.How much of the cola...
*February 17, 2013 by paper*

**math**

a card is drawn from a well shuffled deck of 52 cards .find(p drawing an ace or a 9) 5/52 is that correct?
*October 27, 2009 by rency*

**Math **

What ratio represents the probability of drawing a red card from a standard deck of 52 cards?
*April 24, 2010 by Dee *

**Math **

What ratio represents the probability of drawing a red card from a standard deck of 52 cards?
*April 24, 2010 by Dee *