le 12:6. Find the probability that in 5 tossings, a perfect coin turns up head at least 3 times in ucesston.

Q: E An unbiased coin is tossed an infinite number of times. The probability that the fourth head…

A: We have to use negative binomial probability distribution.

Q: QI/(a) Of 120 students, 60 are studying French, 50 are studying Spanish, and 20 are studying French…

A: Given : Of 120 students , 60 are studying French , 50 are studying Spanish and 20 are studying…

Q: 2.2 2) Suppose you are dealt one card each from two separate decks of cards. What is the probability…

A:

Q: 2) 39% of kids are excited to be back at school. What is the probability that in a group of 10 kids…

A: Givenp=0.39n=10Let "x" be the kids excited to be back at…

Q: Q1: Suppose that are have a fuse box, containing 20 fuses of which 5 are defective. If 2 fuses are…

A: Given that there are total 20 fuses, among them 5 are defective.  So (20-5)=15 are good.   We can…

Q: D.) A loaded coin was made so that the probability of the head turning out was twice more likely…

A:

Q: 1. in a group of 100 moviegoers, 40 people like cats, 20 people like dogs, and 8 people like both…

A: Hello. Since your question has 2 parts, we will solve first question for you. If you want remaining…

Q: Suppose that a fast food restaurant can expect two customers every 3 minutes, on average. What is…

A:

Q: 14. f 10 men, among whom are A and B, stand in a row, what is the probability that there will be…

A:

Q: 3. Given that there is an 90% probability that a randomly selected adult knows what Twitter is, find…

A: X~ Binomial (n ,p) Formula : P(X = x) = nxpx(1-p)n-x ; n= 0,1,2,3..

Q: 1. In a large suburban area, 10% of adults have high blood pressure. Suppose you select 15 adults at…

A: Given that n=15 , p=18%=0.18 , q=1-p=1-0.18=0.82 X~Binomial(n=15 , p=0.18)

Q: ch that 34% of the girls have a blood type O an elected from this group, find the probability

A: E1: Girls   P(E1) = 0.75 E2: Boys   P(E2) = 0.25 A: Blood type o P(A|E1) = 0.34 P(A|E2) = 0.11

Q: 36 51. A can hit a target two times out of 3, B three times out of 7 and C four times out of 9. What…

A:

Q: If 100 players are randomly selected, what is the approximate probability that the average time…

A: Let X be the amount of time which follows uniform distribution with parameters 0 and 100. The mean…

Q: In a large population, 62 % of the people have been vaccinated. If 4 people are randomly selected,…

A: It is given that p=0.62 and n=4.

Q: 2. Find a) the probability that all 4 people in a group of 4 were born on January 14; b) the…

A:

Q: Suppose 38% of the teachers at a high school are male teachers. What is the probability that of your…

A: Let x follows binomial distribution with parameters n = 6 and p = 0.38   The pdf of binomial…

Q: Suppose that a person has a 90% chance of passing a lie detector test even when lying. If three…

A: X be the number of people detected as a lie  Let p be the probability of getting detected as lie…

Q: . On average, three new accounts are opened per day at an Imperial Saving Bank branch. Find the…

A: (a)   Obtain the probability that on a given day the number of new accounts opened at this bank will…

Q: A weighted coin with Pr[H]=45 Pr[H]=45is flipped two times. What is the probability at least one of…

A: Probability of getting head when a weighted coin is flipped =4/5Probability of getting tail when a…

Q: A weighted coin with Pr[H]= 0.3 is flipped 3 times. What is the probability the first and third…

A:

Q: 8) 30% of pupils in a school travel to school by bus. From a sample of ten pupils chosen at random,…

A: We have to find the probability for binomial distribution.

Q: O A certain tennis player makes a successful serve 80% of the time. Suppose the tennis player serves…

A:

Q: uppose a coin with Pr[H]=4/5 is flipped 4 times. Answer the following questions in fraction form:…

A: The probability of head = p = 4/5 = 0.8 The probability of tail= q = 1/5 = 0.2

Q: A certain university claims the probability that a student graduates in 4 years from the university…

A:

Q: 6. Consider the experiment of rolling a die twice. Find the probability that the sum of the num-…

A:

Q: 29. If 10% of the fluorescent light bulbs, manufactured by a factory are defective, find the…

A: Solution

Q: 2.7 From past experience, it is known that, on the average, 10% of welds performed by a particular…

A: Given that n = 3,p=0.10

Q: 15. If n particles are emitted, the probability that at least one particle will penetrate the shield…

A: Given data P(X≥1) = 1 – 0.99n In order for this value to be at least 0.8 P(X≥1) = 1 – 0.99n  = 0.8…

Q: 6. In a classroom of 30 students, 3 of the students wear wrist watches. If 14 students are selected…

A: Given,N=30M=3n=14X=2A random variable X~Hyper geometric(N=30 , M=3, n=14 , x=2)P(X=x)=MXN-Mn-xNn  ;…

Q: 9. Assume you throw one “fair" astragalus 10 times. What is the probability that you get a "6" in 5…

A: Assume you throw one fair astragalus 10 times. Each throw is independent of other. Given that, the…

Q: r or every 10 car accidents that happen in the Winter, 8 happen on snowy days and 2 happen on…

A:

Q: 5. The mayor of a small municipality estimates that 45% of the residents favour the constructionof a…

A: We have  to find mean  nq and sigma.....

Q: 5.59 Suppose the probability that any given person will believe a tale about the transgressions of a…

A:

Q: the probability that there a row, what 2002 e 12 14. If 10 men, among whom are A and B, stand in…

A:

Q: A batch of 50 items is inspected 2 p by testing 2 randomly selected items. If at least one of the…

A:

Q: 6. Find the probability that Mark performs service on more than 6 cars in a randomly selected day.…

A: Answer: E. 0.38 The probability that mark perform services on more than 6 in a randomly selected day…

Q: 19. In a certain college, 33% of the physics majors belong to ethnic minorities. If 10 students are…

A: We have given that  Success of probability p =33%=0.33 Number of trials n=10 X~binomial ( n ,p)

Q: Donald obtains a coin which is alleged to be biased so that the probability p that it falls head is…

A: From the given information,   H0:p=0.3H1:p≠0.3(=0.5) sample size=n=100 x=number of heads obtained=37…

Q: 16 Suppose the probability that a person in Jordan is exposed to corona=0.05, if 700 persons attend…

A: We have to find out expected number of person exposed corona in this festival.,

Q: 3.35 A portion of an electrical circuit is displayed next. The switches operate independently of…

A: Since , probabilities are independent  So, we will use its property.

Q: giris opted What is the probability that a student opted for mathematics if half of the class is…

A: Given  20% of boys opted for mathematics and 40% of girls

Q: Suppose 1 in 5 JWU students own their own car. If four students are randomly selected, what is the…

A: Given

Q: 4. A committee of size 7 is to be selected from 10 men and 6 women. Find the probability that 4…

A:

Q: Ql: Suppose that are have a fuse box, containing 20 fuses of which 5 are defective. If 2 fuses are…

A: Since you have submitted two questions, we'll answer the first question. For the second question…

Q: 8. The footlights of a stage have 12 red bulbs, 8 blue bulbs, and 10 yellow bulbs. If all the bulbs…

A: Given data: 12 red bulbs 8 blue bulbs 10 yellow bulbs

Q: A weighted coin with Pr[H]=0.4 is flipped 3 times. What is the probability the first and third flips…

A:

Q: 8. 5% of all men wear a XXL sized t-shirt. If 20 men are randomly selected, find the probability…

A: Since you have asked multiple questions in a single request we would be answering only the first…

Q: Q7: A die is rolled four times. What is the probability that we obtain exactly one 6?

A: We have given that,  Sample space = { 1, 2, 3, 4, 5, 6} Probability of  one 6 = 1/6 = 0.167i Total…

Q: 10. Consider an e-mail message being transmitted across a single network link. The e-mail is broken…

A: The following information has been given:  Let p denotes the probability that a transmission is…