7. A bag contains 30 balls numbered from 1 to 30. One ball is drawn at rändorm. Find the probability that the number of the ball drawn will be a multiple of (a) 5 or 7, and (b) 3 or 7. T,

Q: It is believed that 20% of school teachers in Gqeberha own a car. 16 teachers from Gqeberha are…

A: Formula : Binomial distribution is given by

Q: What is the probability that a car can be assembled at this plant in less than 19.5 hours? O A.…

A:

Q: Q:3: If 3% of the electric bulb manufactured by a company are defective , find the probability that…

A: Note:  We'll answer the first question since the exact one wasn't specified. Please submit a new…

Q: ssuming that P(green) = 0.75, what is the probability that among his 580 plants

A: Let, Xi be a random variable. Xi = 1,     if ith pea is green0,       otherwise So, Xi = 1,   with…

Q: 9. What is the probability that a randomly selected elephant will weight at least 8.56 tons? 856 10.…

A:

Q: The pool of students in a calculus class consist of 22 sophomore and 8 freshmen. If seven students…

A: Let the students of sophomore year be denoted by S and freshmen be denoted by F.   Given: Number of…

Q: b) What is the probability that the company need to wait at most 3 days to receives an order over…

A: b) Let, X=the number of days to receive 1 orderGiven that on an average 8 orders are received in 5…

Q: 2. Find the probability that in tossing a fair coin three times, there will appear (a) 3 heads, (b)…

A:

Q: Assume that 35% of those taking driving tests pass the test fhe first time (a) Out of 20 people…

A:

Q: b) A bag contains 30 balls numbered from 1 to 30. One ball is drawn at random, what is the…

A: Let A and B two events with Sample space (s) = (1,2,3,4,5,6,7,........, 30)  Multiple of 3 (A) = (…

Q: #05. The mayor of a small town estimates that 35% of the residents in the town favor the…

A: It is given that 35% of the residents in the town favor the construction of a municipal parking Lot.…

Q: Assume that in a large city, 60% of all employees are working at home. d. If 13 employees are picked…

A: From the provided information, 60% of all employees are working at home that is p = 0.60

Q: a. What is the probability that a product is assembled in less than 12 minutes? b. What is the…

A:

Q: a) What is the probability that the next small aircraft arrives within the next five minutes? b)…

A: Here use passion distribution Because arrival rate is constant for particular time interval

Q: 57. The probability that a contractor will get a plumbing contract is 2/3, and the probability that…

A:

Q: 43​% of adults say cashews are their favorite kind of nut. You randomly select 12 adults and ask…

A: Ans - Given, 43​% of adults say cashews are their favorite kind of nut. i.e  p = 0.43 You randomly…

Q: 1.) A red ball and 4 white balls are in a box. If two balls are drawn, without replacement, what is…

A: Probability: Probability is a chance factor that occurs at every outcome of a random experiment.…

Q: Let 3% of the items made by a factory are defective. Find the probability that there are 4 defective…

A:

Q: 2. The probability that a patient recover from a delicate heart operation is 0.9. Of the next 100…

A: (a)   Obtain the probability that between 84 and 95 inclusive survive.   The probability that…

Q: 1. The probability that the head of a household is home when a telemarketing representative calls is…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Suppose that you have a bag containing 10 balls numbered from 0 to 9. You draw 3 of them randomly…

A: There are 5 even digits {0,2,4,6,8} We can choose 3 digits from 5 even numbers in 5P3=60 ways.   We…

Q: Assuming that P(green) = 0.75, what is the probability that among his 580 plants that the number of…

A: Given that , P(green) = 0.75  Total number of plants = 580  Let, X be the number of pees with green…

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

A:

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

A: Solution

Q: According to a survey, 67% of the students at Delta own a calculator. A group of 9 students is…

A:

Q: A sub-committee of 6 members is to be formed out of a group consisting of 7 men and 4 ladies.…

A:

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

A:

Q: 13) Find the probability that a randomly selected tea is West.

A: let us first calculate the total number of tea the total number of tea is 180 and the probability of…

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: 4. Determine the probability of the following families. A. Family with 5 children who are all boys.…

A:

Q: A die and an equal n-segment colour spinner (with n-different colours) are spun simultaneously. The…

A:

Q: Suppose 33.3% of high school students eat pizza and 42% drink soda. If 17.3% of high school students…

A: P(high school students of eating pizza), P(A) = 0.333 P(high school students of drink soda), P(B) =…

Q: Q:A bag contains 5 red balls, 88 white balls,4 green balls and 7 black balls. If one ball is drawn…

A:

Q: A spinner is split up into 4 colored areas of the same size: red, blue, green, and yellow. The…

A:

Q: Suppose that on the leeward side of the island of Oahu, in the small village of Nanakuli, about 50%…

A: Y: number of people you must meet until you encounter the first person of Hawaiian ancestry Y denote…

Q: What is the probability that W is less than 5, that is, P(W < 5)?

A: Given that W = 15Y And b = 0.125

Q: 4) Determine the probability that a sibship of 6 will comprise: (a) 4 boys and 2 girls. (b) boys as…

A: As per guidelines only first 3 subparts have been answered.

Q: 4. What is the probability of rolling a (a sum) of 5, or (a sum) of 6 or doubles? Let A be Let B be…

A:

Q: a. What is the probability that the length of stay in the ICU is one day or less (to 4 decimals)? b.…

A: Here given that stay in icu is exponentially  distributed  Here all required probabilities are in…

Q: b. A survey of teenagers showed that 75% of them spend their pocket money on clothing. Find the…

A:

Q: Q. 7. One bag contains 5 red balls and 3 white balls. A second bag contains 4 red balls and 7 black…

A: Given that - One bag contains 5 red balls and 3 white balls. A second bag contains 4 red balls and 7…

Q: Suppose the probability that a randomly selected PGA Tour player uses a Titleist brand golf ball is…

A: Answer - Given  a sample of 10 PGA Tour players. i.e n = 10                Probability that a…

Q: 3. If 42% of the people in a certain garment factory are members of a union, find the probability…

A:

Q: 5) Suppose Marry gets a strike when bowling 70% of the time. a) What is the probability that Marry…

A:

Q: 3. The probability that Mr. Samson will visit Bohol and Boracay are 0.31 and 0.22, respectively.…

A:

Q: 2. Suppose you are at a birthday party with n other people. How large must n be to ensure that the…

A: In year, we have 365 days. Answer can be given using basic concept of probability.

Q: 3. According to a survey in a country 25 % of all houscholds are wircless only houscholds(no…

A: Givenp=0.25n=20x~Binomial(n=20,p=0.25)P(X=x)=(nx)×px×(1-p)n-x ; x=0,1,...,n