In a party, ten chairs are positioned around a circular table. In how many ways can ten people be seated around the table if three insist on sitting next to each other? O (9 - 1)! 3! O (9 - 3)! O (8 - 1)! 3! O (10 - 3)!

Q: 8. A Random Variable X can take only two values, 1 and 2: P(1) = 0.8 and P(2) = 0.2, Calculate the E...

A: Let X be the random variable having probability mass function is,  X 1 2 P(X=x)  0.8 0.2 the...

Q: What is the total number of possible gate codes?

A: here The gate code to a gated community consists of the # key, followed by 2 letters chosen from the...

Q: 1. Identify and explain the three defining characteristics of the normal probability distribution 2....

A:  We have  Normal probability distribution  

Q: particular fruit's weights are normally distributed, with a mean of 282 grams and a standard deviati...

A: We have given that.   X~N( μ , ?^2 )   μ=282   , ?=24   Z-score =( x - μ )/?

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

A:

Q: A four-digit number is to be formed from the digits 0, 1, 2, 3, 5, 7, 8, and 9. How many four-digit ...

A: Given,digits is 0,1,2,3,5,7,8,9

Q: and 3 12. The probabilities of each of three events P, Q and R are 5' 10 respectively. (a) Given tha...

A: We have given that  P(P) = 1/5 P(Q) =3/10 P(R)=2/5

Q: Illustration 16.20. If a machine is correctly set up, it will produce 90% acceptable items. If it is...

A:

Q: Summarize the difference between an event and a sample space in your own words. Consider the example...

A: Here use basic of sample space and Event 

Q: A biotechnology company partially finances 42 ongoing research projects at several North American un...

A:

Q: Eight coins are thrown simultaneously. Find the chance of obtaining : (i) at least 6 heads, (ii) no ...

A:

Q: The mean number of past relationship partners for the population people between the ages of 18 and 2...

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

Q: 44. A regression analysis yields the line ŷ = 32 + 0.4x. One of the subjects, Racheal, has x = 60 an...

A:

Q: 5. Find the probability that a leap year has 52 Sundays.

A: Given  52 sundays in leap year   

Q: d (d) a b d dx 2 3 4

A:

Q: What is the probability of drawing two aces from a standard deck of cards, given that the first card...

A: There are 13 aces and total 52 cards in a deck.  The probability of drawing first card that is ace i...

Q: Suppose a normal distribution has a mean of 98 and a standard deviation of 6. What is P(x2 104)? A. ...

A: We have given that.   X~N( μ , ?^2 )   μ=98   , ?=6   Z-score =( x - μ )/?

Q: The probability that a man hits a target is 12 and that of his son and daughter are 25 and 15 respec...

A: Note: As per guidelines we will only answer the first three subparts, please repost other subparts f...

Q: How many four-digit odd numbers less than 5000 can be formed using the digits 2, 3, 4, 5, 6, and 9.

A: Given:  Using the digit 2,3,4,5,6 and 9  We need to find how many four digit odd  number be formed l...

Q: Exercise 5.2 Suppose that the probability of a successful optical alignment in the assembly of an op...

A: The random variable number trials required until the first successful trial follows the geometric di...

Q: The probability (i) that A can solve a prob Statistics is 4/5, (ii) that B can solve it is 2/3, (iii...

A: We have given that A can solve a problem in statistics is 4/5 B can solve it is 2/3 C can solve it i...

Q: Im found with the help of a sample survey of a city, (size of sample 900) that 3/4 th of the populat...

A:

Q: Consider a tournament between N teams, each team playing each of the other teams. 1) How many games ...

A: Given information: Consider a tournament between N teams, each team playing each of the other teams....

Q: a) Derive the probability for guessing the correct in a ten-item in a true or false type of quiz. b)...

A: Given that n =10 Find a) Derive the probability for guessing the correct in a ten-item in a true or ...

Q: Normal probability tables typically list z-score values between -3.49 and 3.49 O True O False

A:

Q: In an IT Certification Examination, the mean was 75 and the standard deviation was 5. If Pam z score...

A: Let X be the examination score from normal distribution with mean (μ) = 75, standard deviation (σ) =...

Q: The normal curve is used to determine actual number of occurrances, not percentages. O True O False

A:

Q: If a candidate wins an election and, in a recount, the only changes are that one or more of the othe...

A: Given that, if candidate wins an election and in a recount the only changes are that one or more of ...

Q: Find the minimum sufficient statistic in the following situations. In order to establish minimality,...

A: Please note that as per our guidelines if multiple questions are posted we can answer the first ques...

Q: Typical values for alpha generally range from 1% to 10% for hypothesis testing. Select one: O True O...

A: Alpha represents significance level 

Q: Specifically, we see from model selection that it may be desirable to select only a subset from avai...

A: Given information: The number of observations is n. The number of predictor variables is n – 1.

Q: A surgical technique is performed on 10 patients. You are ance of success. Find the probability that...

A: Given data,Total no of patients n=10Chance of success is p=70%=0.70

Q: ased on a smartphone survey, assume that 56% of adults with smartphones use them in theaters. In a s...

A: We have given that  Sample size n =22 Population proportion p=56%=0.56  

Q: write down the three possible values for the sum of the two variables, x+Y, and the probabilities of...

A: Let Z denotes the sum of X and Y i.e Z = X + Y

Q: Discrete probability distribution  There is a group of 10 women and 8 men in a small business compa...

A:

Q: The values 25, 26, 25, 25, 25, 26, 39, 41, 90, 101 appear to follow a normal distribution. O True O ...

A: We have given that that data 25, 26, 25, 25, 25, 26, 39, 41, 90, 101. Here, we need to find out that...

Q: Exercise 5.3 An electronic scale at an automated filling operation stops the manufacturing line afte...

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Q: 1. The probability density function of the life span of a battery is given by the function below, wh...

A: Given,f(t)=1.25e-1.25tif t≥00if t<0

Q: 7.) CD Selection: James ruiz has 7 CDs and wants to select 4 to play in his car CD player. In how ma...

A:

Q: Consider the following hypothesis test. Hoi ws 12 Hai > 12 A sample of 25 provided a sample mean x- ...

A:

Q: Express the following probability as a simplified fraction and as a decimal. If one person is select...

A: Given

Q: Discrete Probability Distribution A company makes candy-coated chocolates, 40% of which are red. The...

A:

Q: Exercise 4.3 Two measurement methods are used to evaluate the surface smoothness of a paper product....

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

Q: Time left 0:57:32 Toll Brothers is a luxury home builder that would like to test the hypothesis that...

A: We have given that  Sample size n =25 Variance ?2 =160000 Standard deviation =390 Level of significa...

Q: Discrete probability distribution: What does a probability distribution demonstrate/ represent?

A: A probability distribution shows the expected outcomes of possible values for a given data generatin...

Q: Question 3 A manufacturer of window frames knows from long experience that 23 percent of the product...

A: We have given that  Success of probability p =23%=0.23 Number of trials n=13 X~binomial ( n, p)

Q: Suppose Z follows the standard normal distribution. Calculate the following probabilities using the ...

A:

Q: A large engineering company employs a large number of individuals with engineering backgrounds. Of t...

A:

Q: The probability that a mechanic fixes a car correctly is 0.9. Determine the odds against the mechani...

A: Given data,The probability that a mechanic fixes a car correctly is 0.9.Determine the odds against t...