yuhki

18 Questions
4 Answers

0

2

4686

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+82

Approximately 9% of men have a type of color blindness that prevents them from distinguishing between red and green. If two men are selected

Approximately 9% of men have a type of color blindness that prevents them from distinguishing between red and green. If two men are selected at random from a large group of men, find the probability that both will have this type of color blindness. прочитайте больше ..

CPhill ●●●

yuhki 22 нояб. 2014 г.

0

1219

1

+82

The positions on a roulette wheel are divided into three colors: red, black, and green. There are 18 red positions, 18 black positions, and two green

The positions on a roulette wheel are divided into three colors: red, black, and green. There are 18 red positions, 18 black positions, and two green positions. If the wheel is fair, the chance that the ball lands in any position is equal to the chance прочитайте больше ..

yuhki 21 нояб. 2014 г.

0

1

1319

2

+82

For a certain airport containing three runways it is known that in the ideal setting the following are the probabilities that the individual

For a certain airport containing three runways it is known that in the ideal setting the following are the probabilities that the individual runways are accessed by a randomly arriving commercial jet: runway 1 = 1/2, runway 2 = 1/8, runway 3 = 3/8. What прочитайте больше ..

yuhki 21 нояб. 2014 г.

0

11

3190

1

+82

Suppose a researcher goes to a small college with 200 faculty members, 12 of which have blood type O-negative. She obtains a simple random s

Suppose a researcher goes to a small college with 200 faculty members, 12 of which have blood type O-negative. She obtains a simple random sample of n = 20 of the faculty. Let the random variable X represent the number of faculty in the sample of size n прочитайте больше ..

yuhki 21 нояб. 2014 г.

0

1

2667

1

+82

The number of particles of contamination that occur on an optical disk has a Poisson distribution, and the average number of particles per c

The number of particles of contamination that occur on an optical disk has a Poisson distribution, and the average number of particles per centimeter squared of media surface is 0.1. The area of a disk under study is 100 squared centimeters. Find the probability прочитайте больше ..

yuhki 21 нояб. 2014 г.

0

9

2797

1

+82

The probability of a successful optical alignment in the assembly of an optical data storage product is 0.8. Assume the trials are independe

The probability of a successful optical alignment in the assembly of an optical data storage product is 0.8. Assume the trials are independent.
a. What is the probability that the first successful alignment requires exactly four trials?
b. прочитайте больше ..

yuhki 21 нояб. 2014 г.

0

4

3070

1

+82

In a clinical study, volunteers are tested for a gene that has been found to increase the risk for a disease. The probability that a person

In a clinical study, volunteers are tested for a gene that has been found to increase the risk for a disease. The probability that a person carries the gene is 0.1. What is the probability that 4 will have to be tested before 2 with the gene are detected? прочитайте больше ..

yuhki 21 нояб. 2014 г.

0

2100

1

+82

Suppose that X is a negative binomial random variable with p = 0.2 and k = 4. Determine the following:

Suppose that X is a negative binomial random variable with p = 0.2 and k = 4. Determine the following:
a. P(x=19)
b. P(x=20)
c. P(x=21) прочитайте больше ..

yuhki 21 нояб. 2014 г.

0

1299

1

+82

Suppose you toss a pair of dice 10 times. What is the probability of getting the following outcome: two rolls of 7, two rolls of 6, and any other outcome on

Suppose you toss a pair of dice 10 times. What is the probability of getting the following outcome: two rolls of 7, two rolls of 6, and any other outcome on the remaining six rolls?

yuhki 21 нояб. 2014 г.

0

3

6146

1

+82

An electronic product contains 40 integrated circuits. The probability that any integrated circuit is defective is 0.01, and the integrated

An electronic product contains 40 integrated circuits. The probability that any integrated circuit is defective is 0.01, and the integrated circuits are independent. The product operates only if there are no defective integrated circuits. What is the probability прочитайте больше ..

yuhki 21 нояб. 2014 г.

0

3

3861

1

+82

Batches that consist of 50 coil springs from a production process are checked for conformance to customer requirements. The mean number of n

Batches that consist of 50 coil springs from a production process are checked for conformance to customer requirements. The mean number of nonconforming coil springs in a batch is 5. Assume that the number of nonconforming springs in a batch, denoted as прочитайте больше ..

yuhki 21 нояб. 2014 г.

0

7

4749

1

+82

The random variable X has a binomial distribution with n = 10 and p = 0.01. Determine the following probabilities.

The random variable X has a binomial distribution with n = 10 and p = 0.01. Determine the following probabilities.
a. P(X = 5) прочитайте больше ..

yuhki 21 нояб. 2014 г.

0

2

2599

1

+82

The phone lines to an airline reservation system are occupied 40% of the time. Assume that the events that the lines are occupied on success

The phone lines to an airline reservation system are occupied 40% of the time. Assume that the events that the lines are occupied on successive calls are independent. Assume that 10 calls are placed to the airline.
a. What is the probability прочитайте больше ..

yuhki 21 нояб. 2014 г.

0

1237

1

+82

The probability that a family visits the Sand Crab Water Park and the Rainbow Gardens Amusement Park is 0.20. The probability that a family

The probability that a family visits the Sand Crab Water Park and the Rainbow Gardens Amusement Park is 0.20. The probability that a family visits the Rainbow Gardens Amusement Park is 0.80. Find the probability that a family visits the Sand Crab Water прочитайте больше ..

yuhki 21 нояб. 2014 г.

0

2800

1

+82

A number between 1 to 10000 inclusive is selected at random. What is the probability that it is perfect square?

A number between 1 to 10000 inclusive is selected at random. What is the probability that it is perfect square?

yuhki 21 нояб. 2014 г.

0

2

1382

3

+82

If a person rolls two dice and obtain a sum of 2 or 12, he wins $15. Find the expectation of the game if the person pays $5 to play.

If a person rolls two dice and obtain a sum of 2 or 12, he wins $15. Find the expectation of the game if the person pays $5 to play.

Melody ●●●

yuhki 21 нояб. 2014 г.

0

1

806

1

+82

A box contains five $1 bills, two $5 bills, and one $10 bill. If a person selects one bill at random, find the expected value of the draw.

A box contains five $1 bills, two $5 bills, and one $10 bill. If a person selects one bill at random, find the expected value of the draw.

yuhki 21 нояб. 2014 г.

0

2137

3

+82

What is the probability that a hand of five cards will contain at least one king?

What is the probability that a hand of five cards will contain at least one king?

geno3141 ●●●

yuhki 21 нояб. 2014 г.

+82

+5

really? its not that tricky? hahaha thanks ! i'm thinking too much i guess thanks :)

yuhki22 нояб. 2014 г.

+82

0

i see :) how i think i kinda get it now. What if those 3 guys cannot sit with each other in any way, what would be the solution if each of the 3 dont want to be sitted to each other? what would you subtract to the total?

yuhki21 нояб. 2014 г.

+82

0

if there are 4!*3!= 144 total ways those guys can sit why subtract it to 7! ? when only those 3! guys dont want to sit with other? im just not at this sorry for asking things like this?

yuhki21 нояб. 2014 г.

+82

0

Verymuch appreciated the effort :) im having problems in trying to analyze probability problems and btw thankyou again :) to follow up on a question the 3 guys cannot sit with each other right?

yuhki21 нояб. 2014 г.