7. Suppose that for a very large shipment of integrated circuit chips, the probability of failure for an chip is 0.40. Find the probability that from 4 to 12 chips pass in a random sample of 20.

Q: ​(a) What is the probability that among 12 randomly observed​ individuals, exactly 8 do not cover…

A: Consider a random variable X which represents the number of individual who will not cover his or her…

Q: 1. Suppose that 31% of adults have at least one tattoo. If you sample 90 rand adults, what is the…

A: Z = p^-pp(1-p)n~N(0,1)

Q: 2. In a factory that produces pieces of ready-made concrete, if the percentage of producing…

A: Given,n=5p=0.6q=1-p=1-0.6=0.4X=no.of defective piecesX~Binomial (n=5 , p=0.6)P(X=x)=nx px qn-x    ;…

Q: If the probability of a machine producing a defective part is 0.05, what is the probability of…

A:

Q: Suppose 56% of politicians are lawyers. If a random sample of size 564 is selected, what is the…

A: From the provided information, 56% of politicians are lawyers that is p = 0.56 Sample size (n) = 546

Q: 1. Suppose that 31% of adults have at least one tattoo. If you sample 90 random adults, what is the…

A: From the given information the probability that adult have tattoos is .31. Samples are taken random…

Q: a. Assuming that 50% of all workers who change jobs cash out their pension plans, if 16 workers who…

A:

Q: Suppose an actual census showed that 18.4% of the households in California have incomes in excess of…

A: It is given that n =750 and p =0.184.

Q: It is commonly believed that 10% of Americans are left-handed. Find the probability that in a random…

A: Givenpercentage of Americans left handed = 10%Let proportion of Americans left handed be p = 0.10The…

Q: Suppose 58% of politicians are lawyers. If a random sample of size 681 is selected, what is the…

A: It is given that n =681 and p =0.58.

Q: Suppose 47% of the population has a college degree. If a random sample of size 501 is selected, what…

A: It is provided thatp = 0.47, q = 1- p = 1-0.47 = 0.53 and n = 501Consider, the sampling distribution…

Q: Assume that the probability of a being bor sample of 1168 volunteers. Find the most likely number of…

A: Solution

Q: Suppose that 50% of adult Australians believe that Australia should apply to host the next rugby…

A: Given: p=0.5 n=150

Q: According to a study, 20% of corporate officers are women. Suppose that you select a random sample…

A:

Q: A sample of n =32 is selected from a normal population with M = 60,         σ = 20.  What is the…

A:

Q: It is assumed that 78% of the seeds of a certain type of wheat germinate. If we randomly select 340…

A:

Q: O A mountain search and rescue team receives a mean of 0.44 calls per day. Find the probability that…

A: The mean (λ) is 0.44.

Q: 1. (a) Suppose that 10 cookies are distributed among 5 distinct children, what is the probability…

A:

Q: Suppose 46 % of politicians are lawyers. If a random sample of size 662 is selected, what is the…

A: Given : Let p be the proportion of Politicians are lawyers = 0.46 n = 662 μp^ = p μp^ = 0.46…

Q: Suppose that the true proportion of households with at least one car is T = .80. If a random sample…

A: Assume that π as the true proportion of households with at least one car.

Q: If 200 Honda Accords are randomly selected, approximately how many of them will have the braking…

A: Given data,μ=45σ=0.5

Q: Suppose the probability of purchasing a defective smart phone is 0.04. What is the probability of…

A: Introduction: Denote X as the number of defective smart phones obtained in a purchase of 20 smart…

Q: 7. Suppose that for a very large shipment of integrated circuit chips, the probability of failure…

A:

Q: what is the probability more than half of the sampled students are working full time?

A: Assume sixty percent of all NKU students work full time. If a random sample of 70 NKUstudents is…

Q: 8. Find the probability of getting a total score of 15 points in a throw of three identical dice.

A: To find the probability of getting a total score of 15 points in a throw of three identical dice.

Q: Suppose that the time students wait for a bus can be described by a uniform random variable X, where…

A: X~ U (15 ,55 ) Find ( a ) P ( 15<X<25 ) =? ( B ) p ( x>=25 ) =?

Q: Suppose 50% of the population approves of the job the governor is doing, and that 25 individuals are…

A: It is known that, the mean of the sampling distribution of sampling distribution, p-hat is equal to…

Q: 6. Suppose that 60% of the soda-drinking population favors Coca-Cola over Pepsi. Also, suppose you…

A: Here use distribution of sample proportion

Q: Suppose 50 % of politicians are lawyers. If a random sample of size 518 is selected, what is the…

A: Consider that p is proportion of all politicians.

Q: If a "fair" coin is tossed 1,000,000 times, one would expect the probability (not the number of…

A: here given, The Law of large numbers states that as the number of repetitions of an experiment n…

Q: Suppose 44 % of politicians are lawyers. If a random sample of size 411 is selected, what is the…

A:

Q: Suppose that components have weights that are normally distributed with µ = 511 and σ = 3.11. An…

A:

Q: A committee of size 5 is to be selected at random from 3 women and 5 men. Find the probability…

A:

Q: Current estimates suggest that 80% of the home-based computers in a foreign countr have access to…

A: Given : Probability of success,p = 0.80 Probability of failure,q=(1- 0.80)= 0.2…

Q: It is estimated that 10% of the world population is left-handed. If 3 people were randomly selected,…

A: The probability that the only left-handed individual is the third person selected is computed as…

Q: according to popular belief, 80% of adults enjoy drinking beer. choose a group of 4 adults at…

A: The probability distribution explains the all the possible outcome in the experiment and the…

Q: 8. It is estimated that 80% of people in Cyprus take paracetamol for headache treatment. Out of 5…

A: The Binomial probability mass function formula is stated as below                          P(X=x)…

Q: The proportion of eligible voters in the next election who will vote for the incumbent is assumed to…

A: Given information- The proportion of eligible voters, p = 0.539 Sample size, n = 430 Since we used…

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

A:

Q: 13. Suppose that a lot of 5000 electrical fuses contain 5% defectives. If a sample of five fuses is…

A: Given,n=5000p=0.05here A random variable X~Poisson(λ)because n is large and p value very smallso ,…

Q: Suppose that it is known that 45% of eighteen-year-olds in a particular city do not have a driver's…

A:

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

A:

Q: Suppose a population consists of 10 items, four of which are classified as defective and six of…

A: Probability quantifies the chances of happening an event. The probability values always lie in the…

Q: Suppose that about 55% of the people who are murdered actually knew the murderer. Suppose that a…

A: It is given that, the proportion of people who are murdered actually knew the murdered (p) is 0.55…

Q: 1. In a factory that produces pieces of ready-made concrete, if the percentage of production of…

A: Givenp=0.6n=5x~Binomial(n=5,p=0.6)P(X=x)=Cxn px (1-p)n-x  ; x=0,1...,n

Q: Suppose a large shipment of scanners contained 9 % defectives. If a sample of size 492 is…

A: Suppose a large shipment of scanners contained 9 % defectives. If a sample of size 492 is selected,…

Q: Suppose that 40% of Tulane undergraduates intend to continue on to graduate school after completing…

A: From the provided information, 40% of Tulane undergraduates intend to continue on to graduate school…