If N persons are seated at a round table find the probability that two named persons are neighbours to each other.

Q: Suppose that students who finished JHS in a public school get an average of 5.6 hours of sleep each…

A: Solution-: Given: μ=5.6hours,σ=1.7hours,n=35 We find, P(a random selected group of 35 public school…

Q: Sixteen percent of all sports cars are painted red. Given a random sample of 250 sports cars, find…

A: Given that  n=250 , p=16%=0.16 , q=1-p=1-0.16=0.84

Q: Among all the income tax forms filed in a certain year, the mean tax paid was $2000 and the standard…

A: The random variable tax follows normal distribution. We have to find the probability that the…

Q: The processing time for the robogate has a normal distribution with mean 30 sec and standard…

A: Given that.   X~N( μ , ?^2 )   μ=30     , ?=3   Z-score =( x - μ )/?

Q: Determine if the conditions required for the normal approximation to the binomial are met. If so,…

A:

Q: Convert the following annual trend equation into a monthly one : Ye = 24 + 1.8X Given X unit 1 year…

A:

Q: Construct a​ 99% confidence interval for the population proportion. Interpret the results.

A:

Q: A company claims that the mean monthly residential electricity consumption in a certain region is…

A: Given that  Sample size n =60 Sample mean =910 Population standard deviation =123

Q: Which of the following is NOT an assumption of the χ2 test? It is a nonparametric test. It…

A: Which of the following is NOT an assumption of the χ2 test?   It is a nonparametric test.   It…

Q: For a confidence level of 99% with a sample size of 11, find the critical t value.

A: Givenconfidence level=99%sample size(n)=11

Q: company produces steel rods. The lengths of the steel rods are normaly n and a standard deviation of…

A: Given data,Mean μ=238.5sd   σ=0.9n=28P(238.4<M<238.5)=?

Q: (a) For which year was the number of permits greatest? The year 2008 | corresponds to the highest…

A: From the given graph we need to answer certain questions.

Q: Toblem 3. Two water treatment reservoirs were examined to determine if there was a difference in…

A: Given :

Q: The trend equation for a time series is fitted as Y. Shift the trend origin from 1998 to 1993, given…

A:

Q: Question 1 Let X1, X2, ..., Xn be random sample of geometric random variables each with probability…

A: Given that  Let X1, X2, ..., Xn be random sample of geometric random variables each with probability…

Q: Given a certain 98% confidence interval is (0.05,0.29), what is the exact value of the margin of…

A: We have given that 98% confidence interval is (0.05,0.29) Since we know that Lower bound = x̅ - E…

Q: sample mean, sample standard deviation, and sample size are given. Use the one-mean t-test to…

A: Given that  Hypothesized Population Mean (\mu)(μ) = 2.852.85 Sample Standard Deviation (s)(s) =…

Q: Given a random variable X with a mean of 20, a variance of 9, and a random sample of n taken from…

A:

Q: You have been asked to develop a work sample for a receptionist position in a three-person law firm.…

A: The topic is part of descriptive technical writing.

Q: appreciated

A: sample size (n) = 9 sample mean (x̄) = Σx/n = 423/9 = 47  sample standard deviation (s) = √ Σ…

Q: a simple random sample of earthquake depths yields the following: n=600, x̄=5.82 km, and s=4.93…

A: For the given data Perform t test for one mean

Q: Consider the simple linear regression model Yi = BO + B1XI + Ei (a) What is the implication for the…

A:

Q: hfections among patients receiving a staph-killing ointment o placebo. bs 20.28 Online harassment.…

A:

Q: Fawns between 1 and 5 months old have a body weight that is approximately normally distributed with…

A: Given that  The body weights are approximately normally distributed. Mean (μ) = 28.4 kg Standard…

Q: STEP 1. H0: µ o   H1: µ o         NOTE: For ≠ enter /=   STEP 2. This test is (e) left-tailed, (f)…

A: Given that  x̄ = 54 ,  μ = 56 , ? = 5.6 , n=37 Note: According to bartleby experts question answers…

Q: A vet wants to determine the proportion of household pets that have pet insurance. What size sample…

A: Given that  Margin of error=E=0.06 ,  90% confidence

Q: i. How many different sequences are possible? ii. How many different sequences have all hip, knee,…

A: here use counting principle and total arrangements there are 3 knee , 4 hip, and 5 shoulder…

Q: Recently, the bowling scores of a certain bowler were normally distributed with mean 201 and…

A: As per our guidelines we are supposed to answer only subpart of any questions so i am solving first…

Q: The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on…

A: Given information Sample size (n) = 603 Sample mean x̅ = 16.6 Standard deviation (s) = 20.5…

Q: Research shows that 51% of US citizens are female.  Suppose we are constructing a sampling…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: A single card is drawn from each of two decks of 52 cards. What is the probability of getting a…

A: Obtain the probability of getting a heart from the first deck and then a diamond from the second…

Q: 64 -32- 16 270-80 64 48-32-1 52-48-64-8090 -16 -48 64- 180 of83-9-8- e-8-9-38-8

A: From given figure ,by observing it we can drawn the following observations are:

Q: 1. You want to know the number of fans at the Miami Dolphins and Dallas Cowboys game that think the…

A: Below is

Q: Using this formula and other formulas, find Q1, 2, Qz, the midquartile, and the interquartile range…

A: It is given that Q1 = 60, Q2 = 92 and Q3 = 101

Q: Suppose that E and F are two events and that P(E and F) = 0.2 and P(E) = 0.5. What is P(FJE)? P(FJE)…

A: Given: P(E and F) = 0.2 P(E) = 0.5

Q: _____ is used to test the differences in the mean value of a dependent variable among different…

A: Given that

Q: If all possible samples of size n=30 are selected from a population with H=80 and o=10 and the mean…

A: mean = 80 Standard deviation = 10 Sample size = 30

Q: respectively. What is the corresponding expected raise? (write a numerical answer with no labels)

A:

Q: Test the claim that the mean GPA of night students is significantly different than 2.5 at the 0.05…

A: Given that

Q: Given the following contingency table, conduct a test for independence at the 10% significance…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Determine the degree of freedom, right tailed area, t value Percentile - 99.5th n - (13) df - 23…

A: Given that  Percentile=99.5% df=23 Find  n  , Right-tailed area , tcrit

Q: A. You are conducting a hypothesis test where alternative (research) hypothesis is that mu is…

A: 1a

Q: QUESTION 7 For a randomly selected policyholder, let X = the number of months between successive…

A: Given that  Cumulative distribution function of X  P(a≤X≤b)=P(X≤b)-P(X≤a)

Q: In the past, the mean running time for a certain type of flashlight battery has been 8.1 hours. The…

A: Given that  The mean running time for a certain type of flashlight battery has been 8.1 hours

Q: dency ollowing data, which represent the daytime household temperature the thermostat is set to when…

A: By using online calculator  Sample mean = 70.3°F  Sample standard deviation = 3.5°F (rounded one…

Q: Find the (a) mean, (b) median, (c) mode, and (d) midrange for the data and then (e) answer the given…

A: We have given that the data of the jersey numbers of 11 players randomly selected from the roaster…

Q: A market researcher for an automobile company suspects differences in preferred color between male…

A:

Q: Find the value of the standard score, z, and determine whether the alternative hypothesis is…

A: Given that, The null and alternative hypothesis H0: μ = 18.7 Ha: μ ≠ 18.7 (claim) n = 11 x̅ = 20.5 σ…

Q: Physics help I need the 95% of fiber strength

A: Given

Q: how many water specimens are required in the sample?

A: It is given that Margin of error E = 0.8 Population SD = 5.9 Level of confidence = 95% The critical…