A finite lot of 20 watches is 20% defective, what is the probability that in a sample of 3 will contain: a) 5 defectives                                                  b) less than 3

Q: Three light bulbs are chosen at random from 15 bulbs, of which five are defective. What is the…

A: Given Information: To find out the probability that at least one is defective.

Q: 780% of the managers in an international company have traveled abroad, 35% of them can speak foreign…

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Q: Suppose approximately 75% of all marketing personnel are extroverts, whereas about 65% of all…

A: We have to find given probability.

Q: Q1: Among 10 laptop computers, five are good and five have defects. Unaware of this, a customer buys…

A: Total number of laptops are 10. Number of defective laptop are 5. Number of good laptops are 5.

Q: A shipment of 8 computers contains 4with defects find the probability that a sample of size 4, drawn…

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Q: Out of 30 computer chips, 9 are defective. A- In how many ways can 4 chips be chosen randomly…

A: (A)   Determine the number of ways that 4 chips can be chosen randomly without replacement from…

Q: A jury pool consist of 27 people, 14 men, and 13 women. Compute the probability that a randomly…

A: Given data, Jury pool consists of 27 people. Men= 14 Women= 13   P(12 male)=?

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: A public survey reported that 5% of the people now in the community are afraid of walking alone in…

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Q: A school has 12 good runners of which 5 are girls. If four are chosen at random to represent the…

A: Given that a school has 12 good runners of which 5 are girls.  So (12-5)=7 are boys   We can select…

Q: A jury pool consists of 33 people , 14 men and 19 women. compute the probability that a randomly…

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Q: Suppose that 30% of all voters prefer Candidate A. If 8 people are chosen at random for a poll,…

A: We have given that  n=8 , p=30%=0.30 , q=1-0.30=0.70 X~Binomial(n=8 , p=0.30)

Q: From a box containing six black plates, eight white plates and ten blue plates, one plate is drawn…

A: Solution

Q: If 20% of the residents in a US city prefer a white telephone over any other color available, what…

A: Givenp=0.20n=1000x~Binomial(n=1000,p=0.20)P(X=x)=(nx)×px×(1-p)n-x   ;  x=0,1....,n

Q: A jury of 12 members is to be selected from a panel consisting of 8 men and 8 women. a. How many…

A: Given: Number of men=8 Number of women=8 Total number of Men and Women is, Total member=8+8=16 It is…

Q: Consider an insurer that offers 2 types of policy: home insurance and car insurance. 87% of all…

A: Solution: Let A be the event that all customers have a home insurance policy. The probability of…

Q: Four light bulbs are selected at random from a lot of 25, of which 6 are defective. What is the…

A: Given,   Defective bulbs = 6 Non-defective bulbs = 19   Total = 25   The objective is find the…

Q: A jury pool consists of 31 people, 15 men and 16 women. Compute the probability that a randomly…

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Q: Suppose a math class contains 47 students, 24 females (four of whom speak French) and 23 males (six…

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Q: Among 27- to 32-year-olds, 33% say they have driven while under the influence of alcohol. Suppose…

A: (d) Obtain the probability that at least one has driven while under the influence of alcohol. The…

Q: If 25% of the bulbs produced by ABC Lighting Company are defective, determine the probability that…

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Q: 63% of all Americans are home owners. If 35 Americans are randomly selected, find the probability…

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Q: 45% of the population has Type o blood.  Find the probability that exactly 6 people in a group of 10…

A: The binomial probability rule states that the probability of (x) success and (n-x) failures in (n)…

Q: A jury pool consists of 27 people, 14 men and 13 women. Compute the probability that arandomly…

A: Given:Total people = 27Total men = 14Total women = 13The formula to calculate the probability of an…

Q: (b) An inspection on 10,000 iPhone 13 Pro Max found that 27 of them have scratches. If two iPhone 13…

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Q: A closet contains 8 pairs of shoes. If 4 shoes are randomly sele ted, what is the probability that…

A: A closet contains 8 pairs of shoes. If  shoes are randomly selected. We have to find the probability…

Q: On a circuit board, there are 50 chips of which five are defective. If 15 chips ar selected at…

A: .Given data,Total number of chips n=50Defective chips           x=5p=xn=550=0.1If n=15P(X≤2)=?

Q: Suppose that 30% of all college freshmen gain weight. A sample of 20 selected randomly. What is the…

A: The random variable X is the college freshmen gain weight which follows binomial distribution with…

Q: 3. If 20% of the bolts produced by a machine are defective, determine the probability that out of 4…

A: Solution here  P = defective bolts              =20%             =20100 = 15         q =…

Q: Assume that when adults with smartphones are randomly​ selected, 52​% use them in meetings or…

A: We have to  find the probability that at least 6 of them use their smartphones in meetings or…

Q: A bag contains 7 coins, of which 3 are fair; the remaining coin has a head on both sides. If a coin…

A: Concept of probability: Probability deals with the likelihood of occurrence of a given event. The…

Q: Find the probability of at least 2 girls in 7 births. Assume that male and female births are equally…

A: Given: The probability of a male birth = 0.5 The probability of a female birth = 0.5 The probability…

Q: Suppose a math class contains 42 students, 18 females (six of whom speak French) and 24 males (four…

A: given that , total students =42 , female students = 18, male students = 24. Female students who can…

Q: Assume that when adults with smartphones are randomly selected, 54% use them in meetings or classes.…

A: Given: To find the probability that at least five people use thier smartphones in meeting and…

Q: 4. What is the probability that in a family of 3 children, at least two are girls? 5. What is the…

A: The specified probability for a number of events, where a specific number of boys or girls occur in…

Q: Suppose that three microchips in a production run of forty are defective. A sample of five is to be…

A:

Q: A snack-size bag of M&Ms contains 12 red candies, 12 blue, 7 green, 13 brown, 3 orange and 10…

A: Given:A snack bag contains some candies.Number of Red candies = 12Number of blue candies = 12Number…

Q: Assume that when adults with smartphones are randomly​ selected, 49​% use them in meetings or…

A:

Q: of the DVDS in the sample are defective, the process is stopped and the machine is readjusted. What…

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Q: A jury pool consists of 30 people, 18 men and 12 women. Compute the probability that a randomly…

A: From the provided information, A jury pool consists 30 people. Total men = 18 Total women = 12

Q: A roulette wheel has 38 slots in which the ball can land. Two of the slots are green, 18 are red,…

A: Probability of an event = Each spins are independent means the outcome of first spin does not…

Q: The undergraduate admission rate at a certain university for a certain year was 7​%.   a. Assuming…

A: a.The probability that exactly 8 out of 100 applicants will be admitted is obtained below:From the…

Q: 12. Find the probability that at most 5 defective fuses will be found in a box of 200 fuses if…

A:

Q: Assume that when adults with smartphones are randomly​ selected, 52​% use them in meetings or…

A: Given, out of randomly selected adults with smartphones, 52% use them in meetings or classes. So, X…

Q: In a material examination, 4 out of each (10+N) student were found to be successful. Of the 5…

A: Let X be the number of successful students.  Probability of success = 4/(10+N). Then, X ~ Binomial…

Q: Of the inhabitants of a certain native village in Africa, 80% are known to have a particular eye…

A: The probability that a person to have a particular eye disorder is p=0.8 The number of people n=12…

Q: According to Nielsen Media Research, 30% of televisions are tuned to NFL Monday Night Football when…

A: The probability that form 5 to 10 (inclusive) out of 15 television are tuned to NFL Monday Night…

Q: Suppose a math class contains 41 students, 19 females (two of whom speak French) and 22 males (three…

A: