4. A researcher is conducting a study about the TV shows regular employees watch at night before they rest. The researcher asked 50 employees about how long they watchTV shows every night before they rest. If X is a random variable that denotes the length of time the employees watch TV shows at night before they rest, what are the nossihle values of X?

Q: Suppose a researcher goes to a small college of 200 faculty, 12 of which have blood type O-negative.…

A:

Q: About 8% of males are colorblind. Researcher needs the colorblind men for an experiment. What is the…

A: Given, n=9 p=8%=0.08

Q: the households of a local community were surveyed about the number of occupantswho are working.It…

A: Given : 25 households have one occupant working, 18 have two occupants working, 12 have three…

Q: 2. A family has four children. If X is a random variable that pertains to the number of female…

A: It is given that X = Number of female children in the family. Note : Since you have asked multiple…

Q: 4. Suppose that a particular candidate for public office is in fact favored by 48% of all registered…

A: Given data, p=48%=0.48 n=500 P(p>0.5)=?

Q: An airline recently polled all of its loyalty card customers and discovered that 22.5% are planning…

A: It is given that the population proportion, P is 0.225.The sample size is 144.

Q: Of 500 employees at a university, 45% are female. A sample size of 60 employees is chosen at random.…

A: Note: Use the finite correction factor if n/N is greater than 0.05. Therefore, the Finite…

Q: Suppose we were told by the superintendent of schools that the probability a randomly selected…

A: In this question, Given;P[That a school student will have an IQ between 100 and 120) = 0.68n = 8 and…

Q: What is the probability that a random sample size 7 out of 15 identified people will have an average…

A: Given that,  7 out of 15 identified people will have an average of 6 to 8 hours of sleep in a day

Q: Suppose that the New England Colonlals baseball team is equally likely to win any particular game as…

A: Suppose that the New England Colonials baseball team is equally likely to win any particular game as…

Q: What is the probability that the random variable will assume a value between 45 and 55 (to 4…

A: Given: The population mean is μ=50. The population standard deviation is σ=5.

Q: 4. Suppose that, in a certain desert, the probability of having two or more rainy days in a given…

A: Let X be random variable for number of rainy days in a given year Let X~Poi(μ) Given Data:…

Q: what is the probability that a random sample of 4 units will have exactly 1 unit is defective,…

A:

Q: According to a study done by Nick Wilson of Otago University Wellington, the probability that a…

A: (a)The conditions for binomial distribution is,Fixed number of trails.The trails are independent and…

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

A:

Q: a lot of 75 washers contains 5 in which the variability in thickness around the circumference of the…

A: P(X=1)=?

Q: suppose that 60% of all students currently enrolled at all California Community College campuses…

A: It is provided that P is defined as the proportion of students in the sample who are female. The…

Q: A recent survey showed that 17% of households spend more than $100 per week on groceries. Assume the…

A:

Q: A survey of Salinas residents was conducted and the results on length of time in the workforce is…

A: Given:   less than 5 years 5 to 10 years more than 10 years male 41 13 7 female 39 21 10

Q: 4. In an organization consisting of 5 women and 10 men, a committee of four individuals is to be…

A:

Q: 6. Based on U.S. Bureau of Justice data, 16% of those arrested in the U.S.A. are women. In one state…

A: Given, p = 0.16 sample  size n = 400 Mean E(x) = np = 0.16 *400 = 64 Standard deviation σ =…

Q: a lot of 75 washers contains 5 in which the variability in thickness around the circumference of the…

A: Given data, N=75 n=10 k=5

Q: what is the probability that when taking a sample without replacement of size 28, 12 students are…

A: HERE GIVEN, 47 students are taking the test from room cs103 located in the health science building.…

Q: Stanford University conducted a study of whether running is healthy for men and women over age 50.…

A: Given information: n = 695 P(Died) = 1.1%

Q: She would like to carry out a test of significance to test her claim. What is the value of the…

A:

Q: 2.)  When adults with smartphones are randomly selected, it was found that 54% of them use their…

A: Given p=0.54, n=20 X : Number of adults who their phones in meetings.

Q: Suppose that a random variable X has the uniform distribution on the integer 10...20. Whats the…

A:

Q: t is known that 51% of American college students fail a course during their freshman year. A…

A: Note:  Since, we only answer up to 3 sub-parts, we'll answer the first 3. Please resubmit the…

Q: A Food Marketing Institute found that 26% of households spend more than $125 a week on groceries.…

A:

Q: We randomly survey 100 Chinese children living in a rural area. 1. What is the chance that the…

A: 1) Consider that the mean and standard deviation of a random variable X are µ and σ, respectively.…

Q: It is estimated that 55% of the freshmen entering a particular college will graduate from that…

A: Let us assume X=the number of graduates in 4 yearsn=sample size=5p=probability of success= 55%=0.55X…

Q: The National Institute of Mental Health published an article stating that in any one-year period,…

A:

Q: A random sample of n = 4 scores is obtained from a normally distributed population with μ = 20 and σ…

A: Solution: Given information: n= 4 Sample size  μ= 20  Population mean σ= 4  Population standard…

Q: The Food Marketing Institute shows that 17% of households spend more than $100 per week on…

A: Given : the population proportion is p = 0.17 and a simple random sample of 800 households will be…

Q: An organization published an article stating that in any one-year period, approximately 11.5 percent…

A:

Q: 2) Suppose you throw a fair dice 3 times. Let the random variable X indicates the even number.…

A: We know that the, When we throw a dice once, we get {1,2,3,4,5,6} as a sample space. So, if we throw…

Q: A lot of 75 washers contains 5 in which the variability in thickness around the circumference of the…

A: Given : population size, N = 75 number of successes in the population, m = 5…

Q: Suppose that a random variable X can take the values (0, 1, 2 ,3,4,5,8,9} all with equal…

A: Given: Probability distribution of X x p(x) 0 0.125 1 0.125 2 0.125 3 0.125 4 0.125…

Q: 2. The average production of all the machines in a fabrication is 18 finished materials in one with…

A: It is given that the mean is 18 and standard deviation is 6.

Q: 33 live births per 1,000 per year result in twins, what is the probability of getting more than…

A: The true percentage of live births that result in twins will be: p  =331000×100    =3.3%

Q: The Hawkins Company randomly samples 10 items from every large batch before the batch is packaged…

A:

Q: The executives at a software company called Front Line are trying to decide if they should continue…

A: Given n = 79 and p = 0.67 X ~ B ( n, p) E[X] = n p         = 79 x 0.67         = 52.93

Q: Suppose the travel time from White Plains Transit Center to SUNY WCC on public transit (Bus Route…

A: It is given that X~U(10,25).

Q: 3. In a file of 10 records with 2 errors, 5 are examined. Let the random variable Y be the number of…

A: Answer 3: Given Information: In a file of 10 records with 2 errors, 5 are examined. Let the random…

Q: The households of a local community were surveyed about the number of occupants who are working. It…

A: Here x - number of occupants working from a randomly selected household. Max value is 4 occupants.

Q: According to one study, 40% admit to eating chocolate when stresses. Suppose that 40% figure is…

A: Given that, According to one study, 40% admit to eating chocolate when stresses. If 40% figure is…

Q: Suppose that the age of a randomly selected business major can be considered to be a random variable…

A: Given, Mean μ = 20Standard deviation σ = 2Sample size n = 64

Q: A survey of Salinas residents was conducted and the results on length of time in the workforce is…

A:

Q: The executives at a software company called Front Line are trying to decide if they should continue…

A: Based on the information provided we have,n = 79p =0.67

Q: 27.4% of males and 22.8% of females never eat breakfast. Suppose that random samples of 200 men and…

A: given: The percentage of men never eat breakfast = 27.4% The percentage of women never eat breakfast…