what is the blocking variable?

Q: A survey of entering students showed that 12 percent of law school students took a prob- ability…

A: It is given that  • P( starting salary of law school students is $75000 ) = 73% = 0.73 • P( law…

Q: A market research study will indicate that the sales of a new product in its first year will either…

A: Given problem Given that A market research study will indicate that the sales of a new product in…

Q: 4. In a race, the odds that Joshua will win are 2 to 3 and the odds that Johann will win are 1 to 4.…

A: It is given that  The odds for Joshua will win = 2:3 The odds for Johann will win = 1:4

Q: When Steve plays chess against his favorite computer program, he wins with probability of 0.60, If…

A: P(steve win the game) = p = 0.60 no. of games played = n = 12 x = no. of games played P(x=X) =…

Q: 6. In a large city, two newspapers are published, the Sun and the Post. The circulation departments…

A: Let S=a household subscribing to the Sun       P=a household subscribing to the PostGiven…

Q: 1. Researchers are interested in the relationship between vaping and upper respiratory infections.…

A: Note: Hi! Thank you for the question, As per the honor code, we are allowed to answer three…

Q: Suppose that the commuting time on a particular train is uniformly distributed between 50 and 70…

A: (D) Let X denotes the commuting time on a particular train and it follows uniform distribution on…

Q: Suppose that the commuting time on a particular train is uniformly distributed between 50 and 70…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: 1. The number of monthly breakdowns of a computer is a random variable having a Poisson distribution…

A:

Q: ле t>0. (i) Verify (by calculation) that the log-likelihood function for the parameter X is given by…

A: It is given that  X follows Exponential distribution with given pdf.

Q: Midterm: 85 76 87 73 92 85 93 66 85 68 Final: 83 78 85 75 93 88 92 72 85 73 Assume the final score Y…

A: Data has n observations with one explanatory variable and one response variable. The model is that…

Q: A company has hired 15 new employees, and must assign 6 to the day shift, 5 to the graveyard shift,…

A: Used formulas :  Probability= favorable/total No. of ways to select (n1,n2,...nr) objects from n…

Q: g) What is the probability that 190 16300 minutes?

A: Let X¯ be the random variable representing the mean time (in minutes) that the 81 students needed to…

Q: diagram for all possible outcomes of the two draws. You do not need to include lines in the tree…

A: The tree diagram for all possible outcomes of the two draws:   J Q K A   J | Q K A   Q | J K A   K |…

Q: Five percent of workers in a certain city use public transportation to get work. If you randomly…

A: We have given that  Given thatp = 5% = 0.05n = 250

Q: хххххх хххххххх хх ХХХХХХХХХ XXXX 1 2 3 4 5 6 Visits to the gym in 1 week How many students went to…

A: From the above graph we can create frequency distribution table:  Visits to the gym Number of…

Q: 1) Generate a probability histogram of the number of rolls required of two dice before a sum of “7”…

A: The histogram is the graphical representation of the continuous data set. It does not provide a gap…

Q: An automobile insurance company has determined the probabilities for various claim amounts for…

A: amount of claim (x) probability P(x) 0 0.70 2000 0.15 4000 0.08 6000 0.05 8000 0.01…

Q: A bag contains 25 balls such as 10 balls are red, 7 are white and 8 are blue. What is the minimum…

A:

Q: What holds for PY |X(y|x) and PX|Y (x|y) if the random variables X and Y are independent?

A: Hi! Thank you for the question. As per the honor code, we are allowed to answer 1 question at a…

Q: Q1-2: Answer either [0] (true) or [X] (false) and explain. frequency ...... 2 3 4 5 6 7 8 9 10 11 12…

A: First we calculate the theoretical (population) mean. Mona rolled two six sided dice then presented…

Q: QUESTION 19 Suppose that 49% of ZU students have facebook account. Of those students, 53% have…

A: We have given that P(Facebook account) = 49% = 0.49 P(Twitter account | Facebook account)= 53% =…

Q: On Sunday, the library had 800 total visitors. Based on what Anna had recorded on Saturday, about…

A:

Q: During one month, a blood donation center found that 45.5% of the donors had the A antigen. 14.5% of…

A: From the given information, P(A)=45.5%. P(B)=14.5% P(A and B) =4.6% P(Rh+)=84.6% P(B or Rh+)=87.8%.…

Q: Human populations (in millions) of a certain country are shown by age and region in the table. Using…

A: We have given the following table

Q: A distribution of measurements is relatively mound-shaped with a mean of 60 and a standard deviation…

A: Given that : Mean=60 Standard deviation =14 We have to find P(X>46)

Q: Define log likelihood ? And purpose of use?

A: The maximum likelihood Method is estimates the parameter of the assumed probability distribution, of…

Q: How to achieve solution using data management  A pair dice is rolled 30 times. Determine the…

A: pair of dice is rolled 30 times. for dice possible outcomes are  : {1,2,3,4,5,6} P(roll 3) = 16 for…

Q: 2. The game of bingo has 15 numbers associated with each letter of the word bingo. For example, the…

A: The game of Bingo has 15 numbers associated with each letter of the word bingo.

Q: The results of a blood test at a medical laboratory are normally distributed with a mean of 58.5 and…

A:

Q: A sample of 17 items provides a sample standard deviation of 8.7. Test the following hypotheses…

A:

Q: How many distinct permutations of the word "mathematicians" begin and end with the letter "a"?…

A: Given information- We have given the word- "mathematicians" Total number of letters = 14 We have…

Q: 30% of students take Physics 101 and 20% take Math146. Of the students who take Physics 101, 25%…

A: Solution-: Given: P(Students take Physics101)=30%=0.30            P(Students take Math146 )=20%=0.20…

Q: The probability distribution of random variable X is a) b) c) d) Show that k = 6. Find P(X <3). P(X=…

A: Hi! Thank you for the question. As per the honor code, we are allowed to answer three sub-parts at a…

Q: can this be solved without binomial distribution ple

A: Given information: There are two containers of Marbles. Container A has 20 black and 30 white…

Q: and F are events for which P​[ E U F ] = 1, then P​[ E' U F' ] must equal a 0 b P​[ E' ] + P ​[ F'…

A: Given that P(E U F)=1

Q: Digitalis is a technology company that makes high-end computer processors. Their newest processor,…

A: The processor will be sold for $4500, with a profit of $383.

Q: 1. Each time the EFFERVESCENT team wins, their probability of winning p increases by an additional…

A: here given, probability of winning =p=0.40(40%) if team win match then probability of  winning…

Q: Tire treads have to pass rigorous testing before being certified for sale. On average, 10% of all…

A: Given that, Tire treads have to pass rigorous testing before being certified for sale. On average,…

Q: . Based on sample mean of diabetic subject minus that of normal, 97.5% of all possible differences…

A: Given information: For normal individuals, mean±sd=34±4.5 20 normal individuals. Let…

Q: Use the given information to fill in the number of elements for each region in the Venn diagram.…

A: Given that n(A)=21, n(B)=17, n(A U B)=24

Q: A club with  45  college students is doing volunteer work this semester. Each student is…

A: Given that, Location Number of students Soup kitchen 17 Tutoring center 5 Nursing…

Q: If the experiment is repeated 1500 more times, about how many times would you expect Brody to remove…

A:

Q: Where did you get the 4 singles?

A: here we need to find number of singles .   Total throw =7

Q: The age at which a given disease occurs in children is normally distributed with a mean of 10 years…

A: From the provided information, Mean (µ) = 10 Standard deviation (σ) = 1.5 X~N (10, 1.5)

Q: occurs in children is normally distributed with a mean of 10 years and a standard deviation of 1.5…

A: Given that.   X~N( μ , ?)   μ=10    , ?=1.5   Z-score =( x - μ )/?

Q: a) What is the probability that the class will earn pizza on the 4th test? b) What is the…

A:

Q: Question 1. Consider a game where you can pay either $2 to flip two coins, or $3 to flip three…

A: Solution:

Q: e. f. Are the two events independent? Be sure to justify your answer. Based on your calculations…

A: Vaping (A)= 15%  Upper respiratory infection(B) = 25%  vaped and respiratory infection(A and B)= 10%…

Q: 3-2. For each of u= E(X), E[X(X-1)], μ²: following distributions, find and o2 = E[X(X-1)]+E(X)- 31…

A: It is given that the pmf of distribution. Here, need to find out the values of the parameters.