statistics: dependent event

13,669 results

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

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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. ...

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: ...

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...

math

Events A and B are dependent events. The probability that event A occurs is 20%. The probability that events A and B both occur is 8%. What is the probability that event B occurs given that event A occurs? Explain how you found your answer.

math

Events A and B are dependent events. The probability that event A occurs is 20%. The probability that events A and B both occur is 8%. What is the probability that event B occurs given that event A occurs? Explain how you found your answer.

math

Events A and B are dependent events. The probability that event A occurs is 20%. The probability that events A and B both occur is 8%. What is the probability that event B occurs given that event A occurs? Explain how you found your answer.

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 ...

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...

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..

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...

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

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

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

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...

prealgebra

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

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?

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...

ELA - English

What kind is the second clause in the sentence below: my friend cooper needs to go to the orthodontists office on wednesday because one of his brackets is loose * independent adjective dependent adverb dependent noun dependent no second clause I am sure it is one of the ...

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?

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

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 ...

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."

statistics

The probability of an event could be 16/17.

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 ...

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?

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 ...

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; ...

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 ...

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 ...

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 ...

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? ...

Statistics

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

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? ...

applied statistics

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

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 ...

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...

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 ...

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 ...

Statistics

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

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

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...

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? ...

Statistics Help!

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

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...

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 ...

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 ...

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 ...

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 ...

Statistics

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

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?

statistics

Find sd. The differences between two sets of dependent data are -8, 4, -6, 10. Round to the nearest tenth. A.) 4.3 B.) 195.5 C.) 6.8 D.) 8.5

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 ...

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 ...

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 ...

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...

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...

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/...

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 ...

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"?

statistics

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

statistics

An ordinary (fair) die is a cube with the numbers 1 through 6 on the sides (represented by painted spots). Imagine that such a die is rolled twice in succession and that the face values of the two rolls are added together. This sum is recorded as the outcome of a single trial ...

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 ...

biology

A devastating tsunami wipes out most of the population of a frog species that lives on just one tropical island. What is the most likely outcome of this event? A) frequency-dependent selection B)inbreeding depression C)rapid adaptive evolution D)purging of all deleterious ...

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? ...

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...

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:

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)...

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/...

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?

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

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 ...

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.

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****?

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

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.

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.

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?

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 is...

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...

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

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 ...

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 ...

maths

If an event A.implies obtaining prime number of an event B.implies obtaining an odd number in a single throw of a dice. Find the probability of event A or B.

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 ...

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 ...

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.

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 ...

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 ...

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...

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

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