Wednesday

October 26, 2016
Number of results: 13,046

**Statistics**

One event A is _________________ of another event B if the probabilty of event A has occurred given event B is the same as the probability that A will occur with no knowledge of B. disjoint mutually exclusive dependent independent

*November 15, 2012 by John*

**math-independent and dependent events**

A card is chosen at a ramdom from a deck of 52 cards.It is then replaced and a second card is chosen.What is the probability of getting a jack and then an eight? getting a jack 4/52. Then getting an eight 4/52 Probability of getting a jack and then an eight, given those are ...

*January 28, 2007 by Jocelyn*

**mathematical physics**

An unbiased coin is tossed three times. If A is the event that a head appears on each of the first two tosses , B is the event that a tail occurs on the third toss and C is the event that exactly two tails appears in the three tosses, show that : i) Event A and B are ...

*September 13, 2016 by gourav bhardwaj*

**mathematical physics**

An unbiased coin is tossed three times. If A is the event that a head appears on each of the first two tosses , B is the event that a tail occurs on the third toss and C is the event that exactly two tails appears in the three tosses, show that : i) Event A and B are ...

*September 13, 2016 by gourav bhardwaj*

**math**

independent and dependent event check if my answers are right 1. tossing a coin twice- independent 2. pulling 2 socks from a drawer at the same time- dependent 3. drawing 2 marbles out of a bag- dependent 4. spinning a spinner 5 times- independent 5. spinning 2 different ...

*May 17, 2010 by Sara!*

**math**

independent and dependent event check if my answers are right 1. tossing a coin twice- independent 2. pulling 2 socks from a drawer at the same time- dependent 3. drawing 2 marbles out of a bag- dependent 4. spinning a spinner 5 times- independent 5. spinning 2 different ...

*May 17, 2010 by Sara!*

**plz check my math ._.**

independent and dependent event check if my answers are right 1. tossing a coin twice- independent 2. pulling 2 socks from a drawer at the same time- dependent 3. drawing 2 marbles out of a bag- dependent 4. spinning a spinner 5 times- independent 5. spinning 2 different ...

*May 17, 2010 by Sara!*

**statistics - conditional probability**

Event A has probability 0.9 of occurring. Event B has 0.2 chance of occurring if, and only if, event A has occurred. What is the overall probability that event B will occur? I'm so confused. This seems so simple, I'm not sure why I can't reason through it. They're not ...

*September 25, 2013 by Pam*

**statistics - conditional probability**

Event A has probability 0.9 of occurring. Event B has 0.2 chance of occurring if, and only if, event A has occurred. What is the overall probability that event B will occur? I'm so confused. This seems so simple, I'm not sure why I can't reason through it. They're not ...

*September 25, 2013 by Pam*

**math**

Two events are independent if the first event has no effect on the second event. Two events are dependent if the result of one event has an effect on the other event. One of the most common examples of these are situations involving picking 2 items from a group of items. If ...

*May 9, 2016 by Anonymous*

**mathematical physics**

An unbiased coin is tossed three times. If A is the event that a head appears on each of the first two tosses,B is the event that a tail occurs on the third toss and C is the event that exactly two tails appear in the three tosses,show that: i) Events A and B are independent. ...

*September 18, 2016 by gourav bhardwaj*

**Algebra 1**

Will you please check my work? :) Choose ALL (if any) applicable terms for the events described, then calculate the probability of the events. Jason has a cube with colored sides: red, orange, yellow, green, blue and purple. 1. Rolling a red or a primary color. Choices: ...

*April 27, 2014 by Caroline*

**statistics**

In a binomial distribution: A) the random variable X is continuous. B)the probability of event of interest (pie symbol)is stable from trail to trial C) the number of trials n must be at least 30 D) the results of one trial are dependent on the results of the others. I narrowed...

*June 10, 2011 by Allen*

**Statistics**

Events A, B, and C are defines on sample space S. Their corresponding sets of sample points do not intersect and their union is S. Further, event B is twice as likely to occur as event A, and event C is twice as likely to occur as event B. Determine the probability of each of ...

*September 24, 2009 by Sharon*

**statistics**

i bought a vegetable seed pocket containing 20 seeds. A manufacturer label on the pocket said that the seeds have at least 90% germination rate. I planted all 20 seeds following their instructions in preparing soil and water. They told me if an "unlikely event" happens, return...

*January 20, 2015 by cdizzle*

**statistics**

If I am using a venn diagram, the probability that event A occurs or event B occurs but not both. What is my formula? I am soooo very confused..

*July 7, 2015 by cat*

**statistics(please answer!)**

i bought a vegetable seed pocket containing 20 seeds. A manufacturer label on the pocket said that the seeds have at least 90% germination rate. I planted all 20 seeds following their instructions in preparing soil and water. They told me if an "unlikely event" happens, return...

*January 20, 2015 by cdizzle*

**statistics**

for a six-sided standard die is the event "less than 3" and the event "greater than 3" complimentary, mutually exclusive, or both. I think they are both but not sure

*January 12, 2010 by eric*

**statistics: dependent event**

A psychology class is comprised of 4 female and 6 male students. If the instructor of the class randomly chooses 6 students from the class for an oral exam, what is the probability that 2 female students and 4 male students will be selected? Round your answer to 3 decimal places

*February 22, 2011 by John*

**statistics**

Define the concept of independent events with regards to probability. Provide an example of an event that is independent and an event that is not independent

*September 6, 2014 by thankyou*

**Statistics (Please Please Answer!)**

i bought a vegetable seed pocket containing 20 seeds. A manufacturer label on the pocket said that the seeds have at least 90% germination rate. I planted all 20 seeds following their instructions in preparing soil and water. They told me if an "unlikely event" happens, return...

*January 20, 2015 by cdizzle*

**prealgebra**

you play a CD using the random setting. Are the selections of the first two songs that are played independent or dependent event?

*April 11, 2012 by vivkvivkf*

**statistics**

How do I find the probability of an event A occurring or an event B occurring but not both? How do find this equation with a Venn diagram?

*June 30, 2015 by cat*

**statistics **

5. Consider the probabilities in problem 4. The probability that a randomly selected single book purchase will not be for a work of fiction is (a) 0.80 (b) 0.25 (c) 0.20 (d) 0.30 (e) 0.75 6. Two dice are rolled. Suppose A is the event the sum of the numbers on the top faces is...

*June 30, 2015 by meri*

**math**

determine the number of outcomes in a event decide wether it is simple or not you random select 1 card from stanard deck event c is selecting a 5 event C has how many outcomes and this event simple

*June 6, 2013 by kim*

**algebra 1**

When studying probability, a method used for counting the number of possible outcomes is a ______. a.tree diagram b.dependent event c.relative frequency d.simulation A?

*September 21, 2010 by Lily*

**Stats**

In each of the four examples listed below, one of the given variables is independent (x) and one of the given variables is dependent (y). Indicate in each case which variable is independent and which variable is dependent. I. Rainfall; Crop yield II. Taxi fare; Length of ride ...

*October 19, 2011 by Jen*

**English (Cover Letter)**

I suppose that I need to place a comma after "statistics", since the first phrase seems like it is a dependent clause. Am I right? "Through my Bachelor’s degrees in Biology and Statistics from XYZ University I developed a desire to work in a research laboratory."

*December 15, 2015 by Rema*

**statistics**

The probability of an event could be 16/17.

*April 10, 2016 by amy*

**statistics**

A researcher conducts a t test for dependent means in which it is predicted that there will be a decrease in unemployment from before to after a particular job-skills training program. The cutoff "t" needed is -1.8333. The standard deviation of the distribution of means of ...

*August 15, 2010 by Anonymous*

**Prob. & Statistics**

If one event, say Black, has P(.70) and another event, say Red, has P(.30). What is the probability in ten events of alternating choices, Red then Black, and being 100% correct, 90% correct. What should be the expected % correct and what is the standard deviation?

*January 2, 2012 by Joe D.*

**Economics**

If investment is dependent on income in addition to interest rate (assuming C and G have usual forms) then the Keynesian multiplier will A. Not Exist B. Equal to as compared to the case where investment is not dependent on Y C. Smaller as compared to the case where investment ...

*March 17, 2010 by Salman*

**statistics**

In each of the four examples listed below, one of the given variables is independent (x) and one of the given variables is dependent (y). Indicate in each case which variable is independent and which variable is dependent. I. Rainfall; Crop yield II. Ability to concentrate; ...

*September 29, 2012 by Anonymous*

**Math ms sue please please please help!!!!!!**

1)a bag contains five red marbles and seven blue marbles. you pull one marble out of the bag and replace it before putting out a second marble. what kind of event is this? independent, dependent, or both? 2) A bag contains 5 marbles. Without looking, you pick a marble with ...

*November 10, 2013 by Math help*

**ENGL**

These three questions I am having difficulty in solving. Can you help me here. Question 1 - a) Whenever children in the United States turn on the tv, B) they are more likely to encounter violence on the screen. A is an independent clause. A is a dependent clause B is an ...

*March 3, 2011 by David*

**Statistics**

1. z test 2. t test for independent samples, and 3. t test for dependent samples Hi! I really need help with this statistics. Its just that you suggest one psychological research question that could be answered by each of the following types of statistical tests above. Im so ...

*July 11, 2013 by Luah*

**biology need help**

Which variable does the scientists or you deliberately change? Dependent, Independent, control is is independent Which variable does the scientists measure? Dependent, Independent, control is it dependent 6. Which variable remains the same/constant throughout the experiment? ...

*October 18, 2013 by loli*

**Statistics**

The probability of an event can be negative, positive, or zero?

*June 8, 2011 by Tony*

**biology**

Which variable does the scientists or you deliberately change? Dependent, Independent, control is is independent Which variable does the scientists measure? Dependent, Independent, control is it dependent 6. Which variable remains the same/constant throughout the experiment? ...

*October 18, 2013 by loli*

**Business Communication**

If the purpose of your message is to ask local businesses to sponsor your event, your desired outcome would most likely be__________. a.to inform them about your event. b. to promote understanding about your event's goal. c. to propose ways in which they could help. d. for the...

*November 19, 2014 by Emily*

**Statistics**

In each of the four examples listed below, one of the given variables is independent (x) and one of the given variables is dependent (y). Indicate in each case which variable is independent and which variable is dependent. I. Rainfall; Crop yield II. Taxi fare; Length of ride ...

*October 17, 2011 by Jen*

**applied statistics**

how to remember the difference between dependent and independent variable and which one is X n Y ?

*May 4, 2014 by Katon*

**roll dice**

Event A you roll the die and it's even Event B you roll the die and it's less than 5 Roll the die once. What is the probability that Event A will occur given that Event B has alrady occured? would it be 3/4 = .75 or 75% not sure need help and, Roll the die once. what is the ...

*April 16, 2011 by sonney32*

**Genetics/Bio**

Having a hard time with these two questions. Processing of ribosomal RNA (rRNA) includes all of the following EXCEPT: 1. snoRNA-dependent trimming. 2. snoRNA-dependent nucleotide modification. 3. snoRNA-dependent splicing. 4. snoRNA-dependent cleavage. tRNA molecules: 1. are ...

*November 8, 2015 by Hayley*

**math**

You are given the probability of event E. Find the odds in favor of event E and the odds against event E. a. 1/8 b. 2/5

*May 30, 2011 by Nicholas*

**Statistics**

why is this sentence false. a statistic is an event computed from a population.

*December 10, 2014 by adriana*

**math**

You randomly draw letter tiles from a bag containing the letters from the word INDEPENDENT. 1. You randomly draw an N. Then, without replacing the first letter, you pick a D. Tell whether the events are independent or dependent. Then find the probability that both events occur...

*June 1, 2009 by bunni*

**Msth**

Please check my work: Label the dependent and independent vstiablr. 1. Time spent studying and Score on a test 2. If a scientist conducts an experiment to test the theory that a vitamin could extend a person's life expectancy. What are the dependent and independent variables? ...

*October 10, 2015 by Katie*

**ap stats**

all students in a pe class completed a basketball free throw shooting event and the highest number of shots made was 32. the next day a student who had transferred into the school completed the event, making 35 shots. indicate whether adding the new student's score to the rest...

*August 28, 2012 by ash*

**Statistics Help!**

1. What does a stepwise regression analysis do? 2. What tests are used for longitudinal studies with 1 or more dependent variables?

*December 20, 2012 by Anonymous*

**Statistics/Probability**

2. Two roommates, roommate X and roommate Y, are expecting company and are arguing over who should have to wash the dishes before the company arrives. Roommate X suggests a game of rock-paper-scissors to settle the dispute. Consider the game of rock-paper-scissors to be a ...

*July 7, 2013 by y912f*

**Statistics **

1. A human gene carries a certain disease from a mother to her child with a probability rate of 0.58. That is, there is a 58% chance that the child becomes infected with the disease. Suppose a female carrier of the gene has five children. Assume that the infections, or lack ...

*September 29, 2013 by Lisa *

**Statistics**

Event A occurs with probability 0.1 and event B with probability 0.5 A) What is the maximum probability that the intersection of A and B can have? B) What is the minimum probability that the intersection of A and B can have? C) If it is know that P(A complement and B ...

*September 6, 2014 by Rebekah*

**Math**

1. Which of the following is an example of a dependent event? (1 point) flipping two coins rolling a number cube and spinning a spinner choosing two scoops of ice cream choosing a cookie at random, eating it, and then choosing another at random** 2. Which of the following is ...

*May 13, 2016 by Anonymous*

**Statistics**

How can i show that event A and B are neither mutually exclusive nor independent. And what does it mean.

*September 28, 2016 by Judge*

**Statistics**

About how many participants are needed for 80% power in each of the following planned studies that will use a t test for dependent means with p<.05?

*July 27, 2015 by Maria*

**English 10**

In the autobiographical selections "Hair" and "It Can't Be Helped," the authors describe how racial prejudice affected their early lives. Identify the key event described in each of the selections. Then explain how each author responded to the event at the time it happened and...

*November 3, 2011 by Sabrina*

**Math: Probability**

1. Which of the following is an example of a dependent event? (1 point) flipping two coins rolling a number cube and spinning a spinner choosing two scoops of ice cream choosing a cookie at random, eating it, and then choosing another at random 2. Which of the following is an ...

*March 12, 2013 by Skittles*

**math check answer**

1. Which of the following is an example of a dependent event? flipping two coins rolling a number cube and spinning a spinner choosing two scoops of ice cream **choosing a cookie at random, eating it, and then choosing another at random 2. Which of the following is an example ...

*April 8, 2013 by Jman*

**Pre Algebra**

1. Which of the following is an example of a dependent event? (1 point) flipping two coins rolling a number cube and spinning a spinner choosing two scoops of ice cream choosing a cookie at random, eating it, and then choosing another at random 2. Which of the following is an ...

*April 12, 2016 by Summer*

**history**

OK, this is more of a personal thing. Needed to interview some people on some American events, don't really know anyone old enough to answer. President Kennedy's Assassination (Nov. 22, 1963) What do you remember about that day? Where were you? How did you hear about the event...

*September 5, 2008 by miranda*

**Math "Need Help Asap"!**

1. Which of the following is an example of a dependent event? (1 point) A.flipping two coins B.rolling a number cube and spinning a spinner C.choosing two scoops of ice cream D.choosing a cookie at random, eating it, and then choosing another at random 2. Which of the ...

*April 27, 2016 by #FreeGucci*

**Statistics**

You have these 10 observations of some event X: 1.03 1.022 1.022 1.01 1.026 1.02 0.95 1.005 1.05 1.023 Here is the sorted list from least to greatest: 0.95 1.005 1.01 1.02 1.022 1.022 1.023 1.026 1.03 1.05 Based on this data alone: 1) It makes sense to say P(X <= 0.95) = 1/...

*June 12, 2014 by Bob*

**Statistics 250**

If you roll a die 38 times and 12 of the rolls result in a "5," what empirical probability was observed for the event "5"?

*March 18, 2010 by Alica*

**statistics**

A computer is used to randomly select a number between 1 and 2000. Event A is selecting 460.

*October 11, 2014 by Anonymous*

**math**

In a large vase, there are 8 roses, 5 daisies, 12 lilies and 9 orchids. If 3 flowers are selected at random, find the probability that at least 1 of the flowers is a lily. Assuming that the events are dependent. Would you consider this event likely to occur? Explain your ...

*December 28, 2012 by ifi*

**Math-Sorry I had a mistake in the first problem.**

Please check my work: Label the dependent and independent variable. 1. Time spent studying and Score on a test 2. If a scientist conducts an experiment to test the theory that a vitamin could extend a person's life expectancy. What are the dependent and independent variables? ...

*October 10, 2015 by Katie*

**ap stats**

all students in a pe class completed a basketball free throw shooting event and the highest number of shots made was 32. the next day a student who had transferred into the school completed the event, making 35 shots. indicate whether adding the new student's score to the rest...

*August 29, 2012 by ash*

**chemistry**

Identify the independent, dependent and controlled variables: a)Does the activity of soil affect plant growth? Independent: Dependent: Controlled: b)Does getting a good night's sleep affect performance on a test? Independent: Dependent: Controlled:

*January 26, 2015 by ani*

**biology can someone check**

Identify each of the parentheses items as an independent or dependent variable. 1)The (number of red blood cells )independent in a mouse's blood at(different levels of iron) dependent in its diet. 20)The (amount of starch formed)dependent in a plant leaf for (different times)...

*December 28, 2010 by joy*

**english**

I have to write an English paper discussing a current event; I chose Obama Care, but was told it is not a current event. I know the bill was passed in 2014, but discussions are still being posed about it and there are continuing developments, so why is this not a current event?

*December 10, 2013 by laura*

**Algebra-Multiple choice**

Hello, I have some practice math I'm working through and I'm unsure about the answer. I will also put what I got. Thanks for the help. 1. Solve using any method and identify the system as consistent, inconsistent, or dependent. -2x+y=8 2x+2y=-8 A.) (-4,0); consistent/...

*March 21, 2013 by Kris*

**Math help**

Which of the following is an example of a dependent event? 1 flipping two coins 2 rolling a number cube and spinning a spinner 3 choosing two scoops of ice cream 4 choosing a cookie at random, eating it, and then choosing another at random

*April 8, 2013 by Mr.Brain*

**math (statistics)**

an experiment consistbnof tossing a die and then flipping a coin once if the number on the die is even. If the number on the die is odd, the coin is flipped twice. Using the notation 4H, for example to denote an event that die comes up 4 and then the coin comes up heads, and ...

*August 25, 2012 by Anonymous*

**Math (check)**

Which of the following is an example of a dependent event? 1 flipping two coins 2 rolling a number cube and spinning a spinner 3 choosing two scoops of ice cream 4 choosing a cookie at random, eating it, and then choosing another at random****?

*May 3, 2014 by me*

**Math**

Which of the following is an example of a dependent event? A. Flipping two coins B. Rolling a number cube and spinning a spinner. C. Choosing two scoops of ice cream. D. Choosing a cookie at random,eating it, and then choosing another at random. Is the answer D? Thank you

*April 8, 2015 by Sonali*

**Math**

are the events of drawing a knight from the bag of white pieces and drawing a pawn from the bag of black pieces dependent or independent events? find the probability of this compound event.

*March 1, 2014 by Dema*

**Statistics**

Events and are mutually exclusive. Suppose event occurs with probability and event occurs with probability . Compute the probability that occurs or does not occur (or both). Compute the probability that either occurs without occurring or and both occur.

*April 8, 2013 by Jack*

**Math**

In an experiment, the probability of the event E is known to be .4. Also the probability of the event F is .8,and the probability of E∪F is 1. i) Compute the probability of these events: P(E∩F)= P(E-F)= ii) Suppose the experiment is run twice in succession. What ...

*April 21, 2011 by Tracy*

**college statistics**

When performing a hypothesis test upon dependent samples, the variable interest is... I think it is the differences that exist between the matched-pairs data.

*July 28, 2009 by mike*

**Economics**

Can someone help me find good links to statistics of welfare in Canada such as the number of people who are dependent on it, how much it is abused, and the reduced labour output?

*April 12, 2012 by Labz*

**Math(Statistics)**

A certain soccer team wins (W) with P(W)= 60%, loses(L) with P(L) = 30%, and ties (T) with P(T) = 10%. The team plays three games over the weekend. a.Determine the elements of the event A that the team wins at least twice and does not lose. b.Find P(A) c.Determine the elements...

*October 5, 2011 by Anonymous*

**Psychology**

When physical energy has resulted in a response in a sense organ, it is clear that: (Points: 5) perception has taken place. the activation is the result of stimulus. the brain has interpreted the event. a single isolated sense is now perceiving the event. I believe it is the ...

*May 8, 2013 by angela*

**Psychology**

When physical energy has resulted in a response in a sense organ, it is clear that: (Points: 5) perception has taken place. the activation is the result of stimulus. the brain has interpreted the event. a single isolated sense is now perceiving the event. I believe it is the ...

*May 10, 2013 by Angela*

**biology**

concentration of methyl mercury in fish and number of meals safely consumed per month which is the dependent and independent does the dependent go on the y or x-axis

*September 10, 2013 by loli*

**history? help**

In this portfolio assignment, you have chosen an event from the Civil War or pre-war era, have taken notes on this event, and now will take on a persona from the event. For example, you could choose to portray a Union soldier at Gettysburg, a plantation owner's wife during ...

*January 24, 2015 by XenaGonzalez*

**dog behavior**

please check answer thanks Modeling is a training technique that involves A. providing one dog as an example for another dog to follow B. giving positive reinforcement for correct behavior C. using dependent and independent variables in an experiment D. habituating a dog to a ...

*April 8, 2008 by Anonymous*

**Statistics**

Examples please!Create a drawing or plan for a 2 x 3 experimental design that would lend itself to a factorial ANOVA. Be sure to identify the independent and dependent variables.

*July 7, 2013 by Ethel*

**Probability**

You roll two five-sided dice. The sides of each die are numbered from 1 to 5. The dice are “fair" (all sides are equally likely), and the two die rolls are independent. Part (a): Event A is “the total is 10" (i.e., the sum of the results of the two die rolls is 10). Is event A...

*February 13, 2015 by qwerty*

**linear algebra- check question**

I just want to make sure my reasoning is correct. Let A be a 7X3 matrix whose rank is 3 a)are the rows of A linearly dependent or independent? I said dependent because a matrix whose rank is 3 means the row rank is 3, but if there are 7 rows then they have to be dependent on ...

*March 10, 2015 by kirsten*

**English 2**

'In "It Can't Be Helped", the author describes how racial prejudice affected her early life. Identify the key event in the selection, then explain how the author responded to the event at the time it happened and how she viewed the same even later in life.' I can do the last 2...

*September 24, 2010 by mysterychicken*

**Statistics**

From the coefficient of multiple determination, we cannot detect the strength of the relationship between the dependent variable y and any individual independent variable. A. True B. False

*April 25, 2010 by Sharon*

**statistics**

your teacher has invented a fair dice game to play. your teacher will roll one fair eight sided die and you will roll a fair six sided die. each player rolls once and the winner is the person with the higher number. in case of a tie neither player wins. a. let A be the event "...

*January 6, 2013 by bri*

**statistics**

In throwing a pair of dice The event of getting a sum of 5 in the upturned faces of dice.

*January 24, 2015 by flor*

**help please**

A student wants to know why if the odds in favor of an event are 3:4, the probability of the event occurring is not 3/4 How do you respond?

*February 20, 2015 by joe*

**Math**

If the odds against an event A are 15 to 1, what is the probability associated with event A occurring?

*October 11, 2009 by Juan*

**math**

If the odds against an event A are 15 to 1, what is the probability associated with event A occurring?

*November 5, 2009 by Carli*

**Math**

If the odds in favor of an event A are 3 to 1, what is the probability associated with event A occurring?

*December 4, 2009 by Kate*

**math**

the probability of an event is 7/10. Find the odds in favor of this event occurring.

*March 7, 2012 by karen*

**Math**

You are making ballon bunches to attach to tables for a charity event. You plan on using 8 ballons in each bunch. Write a rule for the total number of balloons used as a function of the number of bunches created. Identify the independent and dependent variables. How many ...

*August 9, 2011 by Nick*