When treated with anabiotic 92% of all the Dolphins are cured of an ear infection. If 8 Dolphins are treated find the probability that exactly 4 are cured

Q: Suppose that 34% of people own dogs. If you pick two people at random, what is the probability that…

A: No.of people select at random = 2 The probability of one person own dogs is, P(one person own dogs)…

Q: From experience, an airline knows that only 85% of the passengers booked for a certain flight…

A: Given Information :  From experience, an airline knows that only 85% of the passengers booked for a…

Q: a new surgical procedure in preliminary trials has a probability of success of 80%. if 10 patients…

A: Let X denote the patients are scheduled to go through this procedure and it follows binomial…

Q: In a certain factory, the probability of workers suffering from an occupational disease is 20%.…

A: probability mass function of B.D is = f ( k ) = ( n  k ) p^k * ( 1- p) ^ n-kwhere       k = number…

Q: quiz has 11 multiple choice questions with each having 3 choices. Suppose a student decides to…

A:

Q: If 14% of active duty soldiers in the U.S. Army are women, find the probability that if four…

A: Let X represent the random variable   n=4 p=0.14   X~ Binomial (4, 0.14)

Q: When treated with an antibiotic 91% of all the dolphins are cured of an ear infection . If 6…

A: Given  With an antibiotic 91% of all the dolphins are cured of an ear infection.

Q: In a particular area 40% of men and 15% of women are overweight and there are four men and three…

A:

Q: The probability of getting exactly 1 girl in 8 births

A: Let the random variable x is number of girls. The probability of getting a girl and boy are equal.…

Q: If 50 of 250 people contacted make a donation to the city symphony, the probability of outcome of…

A:

Q: In a dance class, there are 20 females and 25 males. Fifteen are dancers from G-Force. Eight of the…

A: Given information: n(F)=20n(M)=25Total=45n(G-Force)=15n(M∩G-Force)=8 Find: P(F∪G-Force)=?

Q: 77% of all students at a college still need to take another math class. If 38 students are randomly…

A: Given data, n=38 p=77%=0.77 P(X=30)=?

Q: n the game of chess there are 32 pieces: 2 kings, 2 queens, 4 rooks, 4 bishops, 4 knights, and 16…

A: Game of chess there are 32 pieces: 2 kings, 2 queens, 4 rooks, 4 bishops, 4 knights, and 16 pawns We…

Q: Suppose that 10% of people own dogs. If you pick two people at random, what is the probability that…

A: From the provided information, 10% of people own dogs that is p = 0.10 Sample size (n) = 2 X~B (2,…

Q: A quiz has 12 multiple choice questions with each having 3 choices. Suppose a student decides to…

A:

Q: An insurance company found that 16% of drivers were involved in a car accident last year. If 8…

A: Probability of drivers were involved in a car accident last year(p)=0.16sample size(n)=8Let "x" be…

Q: A fair die is rolled four times. A 2 is considered​ "success," while all other outcomes are​…

A:

Q: 63% of all Americans are home owners. If 37 Americans are randomly selected, find the probability…

A:

Q: Find the probability of 62 or more participants believing life on other planets is plausible

A: From the original problem, It is given that the number of observations are independent with…

Q: A coin is tossed 3 times. The probability of getting exactly two heads is

A: Here given that A coin is  tossed 3-times

Q: Suppose that 24% of people own dogs. If you pick two people at random, what is the probability that…

A: Given 24% of people own dogs

Q: A survey found that 32% of book buyers are younger than 40 years old. If 10 book buyers are…

A: It is given that n=10 and p=0.32.

Q: The probability that a house in an urban area will be burglarized is 6​%. If 47 houses are randomly​…

A:

Q: Suppose that 14% of people own dogs. If you pick two people at random, what is the probability that…

A: Answer: Given that: p=P(people own dogs)= 0.14 , n= 2 now will use Binomial probability…

Q: Two dice are thrown simultaneously.Find the probability that the number of spots upper host is 9 or…

A: When two dice are thrown, there are 6*6 = 36 outcomes.

Q: Suppose that 25% of people own dogs. If you pick two people at random, what is the probability that…

A: Solution:- from given information probability of people own dogs is 25%    p=0.25 random sample n =…

Q: 4 out of 100 televisions in stock are defective. If you select two television la at random, find the…

A: It is given that the 4 out of 100 televisions are defective.

Q: A manufacturer claims that a new drug is 85% effective. If the drug is given to 10 patients, find…

A: The binomial probability distribution is, PX=x=nxpx1-pn-x In the formula, n denotes the number of…

Q: A batch of 100 cords has 8 defective cords. If 4 cords, taken at random from the batch, are to be…

A:

Q: If the probability of being hospitalized during a year is 0.25. Find the probability that no one is…

A: X has binomial distribution. X~binomial(n,p)n=3p=0.25probability mass function of X;…

Q: A person conducting telephone surveys must get 3 more completed surveys before their job is…

A: There is 20% chance of completing the phone survey

Q: find the probability that only three have traveled to Italy.

A: Let p be the probability that a tourist have traveled to Italy. Given that p = 0.55 Let X denotes…

Q: 20% of all people are O negative. If 12 people donate blood at the blood drive 1. The probability…

A:

Q: Four out of five Filipinos under the age of 30 eat rice for breakfast. If a random sample of 15…

A:

Q: If a seed is planted, it has a 95% chance of growing into a healthy plant. If eleven seeds are…

A: Answer:Given that:p=0.95 ,   n=11now will use Binomial probability P(X=x)=nx*Px*(1–P)n–x,where…