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Probability & Statistics

11/16/17

it is approximately 2000 jelly beans in the jar, which is closest to the difference between the number of yellow and green jelly beans?

20% green 25% yellow 15% other 40% red how is the answer 100

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Probability & Statistics

11/15/17

i would like a clear explanation of this problem

A box contains 6 red marbles and 8 blue marbles. If you randomly grab 5 marbles at a time, findthe probability that there will be(i) 3 red. (ii) 4 red. (iii) all red. (iv) none red (v) none blue

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Probability & Statistics Baye's Theorem

11/15/17

Bayes Theorem Help

Tommy is a football player who suffers an injury during the game. The team doctor looks at the injury and tells Tommy that he needs to run some tests and there is only a 20% chance he will... more

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Probability & Statistics

11/08/17

HELP PROBABILITY

5. The random variables X, Y have joint probability density functionf(x, y) = (Ce−x−e−x−2yey−1if x > 0 and y > 0,0 otherwise.(a) What is the value of C?(b) Are X and Y independent?(c) Find... more

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Probability & Statistics Statistics Permutations

11/07/17

Consider the word "BLESSINGS" use these letters ti count math "words". How many ways can we arrange the letters in a sequence?

I was thinking it may be 10!/5! but am not sure

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Probability & Statistics Probability

11/06/17

The returns on US large stocks are normally distributed with the expected return of 9% and standard deviation of 20.5%. Prob of getting negative return is?

I need some help with this question

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Probability & Statistics Probability Probability Problems

11/05/17

Questions about probability (Condition/Binomial random variable)

You have identical 30 balls; 5 black, 10 purple, 15 orange balls in a box. Q1.If we take a ball, we make a mark on it and put it back to the box. We take one ball at a time. What is the... more

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Probability & Statistics

11/04/17

If I have 8 lions, 2 monkeys, 4 giraffes and 6 lepoards what is the probability of picking one animal and it being a monkey?

Need help please.

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Probability & Statistics

11/04/17

statement is true

Which of the following statements is TRUE? A. If all of the data values in a data set are identical, then the standard deviation is 1. B. The variance is one of the measures indicating... more

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Probability & Statistics

11/03/17

Probability Curve

Scores on the SAT form a normal distribution with an average of 500 and a standard deviation of 100. Based on this information, what percent of scores fall above an SAT score of 520?

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Probability & Statistics

11/03/17

16. Fifteen people work in an office. 8 are women and 7 are men. The flu virus is coming. (a) In how many ways can the flu virus randomly select 9 workers out

hard time with this one

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Probability & Statistics

11/03/17

The mean reaction time of 1500 randomly selected students who took SHOVITALLTM anti- math anxiety medication was measured at 12 minutes, with a standard deviati

The mean reaction time of 1500 randomly selected students who took SHOVITALLTM anti- math anxiety medication was measured at 12 minutes, with a standard deviation of 2 minutes. Assuming a normal... more

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Probability & Statistics

11/03/17

9. Find the equation of the line passing through (3, 1) and (4, – 1): A. 5x–4y= 11 B. 2x+5y = 3 C. 2x+y = 7 D. 3x+4y = 8

need assistance with multiple ??

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Probability & Statistics Odds

11/01/17

There are 100 numbers listed. What are the odds that if 10 numbers are selected, that at least one is 20 or less?

It's a probability question that I can't seem to figure out.

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Probability & Statistics Probability Distribution Binomial Distribution

10/30/17

There is total batch of 100 products. 10 of the products are faulty. 2 products are taken randomly

There is total batch of 100 products. 10 of the products are faulty. 2 products are taken randomly from the batch without replacement for them. Variable X is the total number of faulty products... more

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Probability & Statistics

10/29/17

find the random variable x has a poisson distribution with mean u=6, find the probability that x=2

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Probability & Statistics Elementary Statistics

10/27/17

Question in description

Question Help A candy company that makes colored candies claims that 10% of the candies it produces are green and that bags are packed randomly. In a really large bag of candies, we found 12% of... more

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Probability & Statistics

10/25/17

Probability and Stats

There are 49 even numbers from 1 to 99. The mean of 48 of these numbers is 49 and 5/12. Which even number was not included in the calculating of this mean?

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Probability & Statistics

10/25/17

Probability and Stats

Two different whole numbers are randomly selected from the set {1,2,3,...,9}. What is the probability that their product is an even number?

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Probability & Statistics Math

10/25/17

In a certain truckload of apples 30% of the apples are rotten. if 12 are chosen at random, what is the probability that less than 3 of them are rotten?

I know how to do conditionals somewhat but this confuses me because i dont know the amount of apples.

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Probability & Statistics

10/23/17

find the probability of getting exactly 4 heads on 8 flips of a coin

I do not know how to figure this out

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Probability & Statistics

10/22/17

A survey claims that the % of customers who favor Cheerios cereal over Fruit Loops cereal is likely between 78.01% and 45.99%. How many people were surveyed?

Choices: 1)62 2)10 3) 39 4) 32

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Probability & Statistics

10/20/17

Two six-sided dice are rolled. What is the probability that one of the dice shows a 5 or the dice sum to 3?

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Probability & Statistics

10/18/17

A brand name has a 40% recognition rate. The probability that exactly 4 of the 5 consumers recognize the brand name

A brand name has a 40% recognition rate. Assume the owner of the brand wants to verify that rate by beginning with a small sample of 5 randomly selected consumers. Complete parts (a) through (d)... more

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Probability & Statistics

10/17/17

Find the probability that an accident involves at least one car.

Probabilities of different types of vehicle-to-vehicle accidents are shown below: Accident Probability Car to Car 0.65 Car to Truck 0.17 Truck to Truck 0.18

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it is approximately 2000 jelly beans in the jar, which is closest to the difference between the number of yellow and green jelly beans?

i would like a clear explanation of this problem

Bayes Theorem Help

HELP PROBABILITY

Consider the word "BLESSINGS" use these letters ti count math "words". How many ways can we arrange the letters in a sequence?

The returns on US large stocks are normally distributed with the expected return of 9% and standard deviation of 20.5%. Prob of getting negative return is?

Questions about probability (Condition/Binomial random variable)

If I have 8 lions, 2 monkeys, 4 giraffes and 6 lepoards what is the probability of picking one animal and it being a monkey?

statement is true

Probability Curve

16. Fifteen people work in an office. 8 are women and 7 are men. The flu virus is coming. (a) In how many ways can the flu virus randomly select 9 workers out

The mean reaction time of 1500 randomly selected students who took SHOVITALLTM anti- math anxiety medication was measured at 12 minutes, with a standard deviati

9. Find the equation of the line passing through (3, 1) and (4, – 1): A. 5x–4y= 11 B. 2x+5y = 3 C. 2x+y = 7 D. 3x+4y = 8

There are 100 numbers listed. What are the odds that if 10 numbers are selected, that at least one is 20 or less?

There is total batch of 100 products. 10 of the products are faulty. 2 products are taken randomly

find the random variable x has a poisson distribution with mean u=6, find the probability that x=2

Question in description

Probability and Stats

Probability and Stats

In a certain truckload of apples 30% of the apples are rotten. if 12 are chosen at random, what is the probability that less than 3 of them are rotten?

find the probability of getting exactly 4 heads on 8 flips of a coin

A survey claims that the % of customers who favor Cheerios cereal over Fruit Loops cereal is likely between 78.01% and 45.99%. How many people were surveyed?

Two six-sided dice are rolled. What is the probability that one of the dice shows a 5 or the dice sum to 3?

A brand name has a 40​% recognition rate. The probability that exactly 4 of the 5 consumers recognize the brand name

Find the probability that an accident involves at least one car.

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A brand name has a 40% recognition rate. The probability that exactly 4 of the 5 consumers recognize the brand name