Which is the expectation for a binomial distribution? O a) 3/ о b) np

Q: reate a frequency and probability distribution of the sample means.

A: here given  population (1,2,3,4,5 ) now sample of size 3 are selected , so 5C3 = 10 sample are…

Q: if x~unif. (0,2),find the U.b. of p(lx - mul>= 2)

A: Given X~Unif(0,2) Result: if X~unif(a,b) then  Mean=(a+b)/2 Variance=(b-a)2/12

Q: he lengths of pregnancies are normally distributed with a mean of 271 days and a standard deviation…

A:

Q: I f(x,y) 2 4 1 0.10 0.15 y 3 0.20 0.30 5 0.10 0.15 a. Determine the marginal distribution g(x), x =…

A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only…

Q: The average number of cycles of charging of rechargeable batteries manufactures in a certain factory…

A: Given information- Population mean, µ = 485 Population standard deviation, σ = 32 Let X be the…

Q: (c) Let Y~ Normal (μ, o²), and consider the probability P(|Y - µ| > ro) for some r > 0. Show that…

A: Hello! As you have posted 3 different questions, we are answering the first question (c). In case…

Q: Suppose that X and Y have a joint probability density function given by ce-3z-5y fxy(x, y) = if x, y…

A: Given f(x,y)=ce-3x-5y x,y≥0

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

A: From the provided information, Sample size (n) = 15 Sample mean (x̄) = 259 Population standard…

Q: f(x, y) = ) = (x ² + 232,0. +3,0 < x < 1,0 < y < 2, elsewhere. 0, g(x)= 2x (x + 1/3), h(y)= 1/3 +…

A: Given f(x,y)= x2+xy/3 ;0&lt;x&lt;1, 0&lt;y&lt;2  Note: According to Bartleby guidelines expert solve…

Q: Q2A)Matrix A 2 ,find Eigen values of A².

A:

Q: From a deck of 52 cards (Ace, 2, 3…….10, Jack, Queen, King; with each one having  clubs or flower,…

A: According to our policy we can answer only first three part for remaining please repost the…

Q: A college is going to administer an assessment test to incoming freshman. Co be administered over…

A: Note : Both questions are different questions. As per answering guidelines I have to answer only one…

Q: Q2 (a) The discrete random variable has the probability distribution as in Table Q2. Table Q2:…

A:

Q: Q3: B- If the variable y has a Poisson distribution with the parameter = 2 find: P(y=4) 1 P(y ≥6) .Y…

A:

Q: If E denotes the expectation the variance of a random variable X is denoted as? a. (E(X))² O a. O b.…

A: Given,E denotes the  expectation.

Q: When estimating the mean age of a population of 5000 individuals, a simple random sample of 50…

A:

Q: Q2/suppose there were six kinds of toppings that one could order for a pizza. How many combinations…

A:

Q: In how many ways can the position of president and secretary of an organization be  filled if…

A:

Q: (c) If a bank receives on the average of 6 bad cheques per day. Find the probability that it will…

A: Solution

Q: The probability a machine has a lifespan of more than 5 years is 0.8. Ten machines are chosen at…

A: From the provided information, Sample size (n) = 10 The probability that a machine has a lifespan of…

Q: Q2/suppose there were six kinds of toppings that one could order for a pizza. How many combinations…

A: Given data isNo.of kinds of pizza toppings(n)=6No.of toppings could be ordered(r)=3

Q: The water content of soil from a borrow site is normally distributed with a mean of μ = 14.2% and…

A:

Q: You are the regional manager of a five-star hotel chain known for its commitment to high-quality…

A: a) From the given information, Customers Complaints Percentage 1000 8 0.008 1000 11 0.011…

Q: selected at random, find the probability that he/she owns a credit card, given that the employee is…

A: own CC No CC Total  Teaching  25 35 60 Non teaching 29 11 40 Total 54  46 100

Q: If E denotes the expectation the variance of a random variable X is denoted as (E(X))^2 - E(X) True…

A: We will check above statement is true or false by using variance in expectation form

Q: next problem with the production line diagnosed as being due to an initial repair that was…

A: Here use probability tree and Bayes rule

Q: Number of circular permutations of different things taken all at a time is (n-1)!. O a. True

A: Given statement :Number of circular permutations of different things taken all at a time is (n-1)!

Q: A flu shot is administered during flu season. We look at the effect of the shot on individuals who…

A: 1)Givensample size(n)=100Mean(x)=4standard deviation(s)=1confidence level=95%

Q: If someone owns an electric car it is represented by a one  and if they don’t it is represented by a…

A: Given:   Number of cars (y) Salary (x) xy y^2 x^2   0 80000 0 0 6400000000   0 17000 0 0…

Q: In how many ways could 5 chocolate bars be choosen from a display of 10 chocolate bars? a. 50 b.…

A: Given No.of chocolate bars in display(n)=10No.of chocolate bars to be choosen(r)=5

Q: What is the probability that this customer is one of the careful customers?

A: here define events  customer is Reckless  = R customer is Careful = C  customer has an accident…

Q: e Determine the standard deviation of X f. Determine the standard deviation of Y 9. Determine the…

A:

Q: Calculate the means and standard deviations of:37, 26, 19, 21, 19, 25, 17 O a. 3; 7.141 b. 3;2.414…

A: Given n=7 37,26,19,21,19,25,17

Q: Q1/ Grades in statistics class are weighted as follows: Tests are worth 50% of grade, homework is…

A: Here Given  Grades in statistics class are weighted as Tests are worth 50% of grade, homework is…

Q: (a) Determine the mean = (b) Determine the Standard Deviation (c) Determine the Coefficiet of…

A: here given , A concerned parents group determined the number of commercials shows in each of the…

Q: A nuclear power station is to be built on one of 20 possible sites. A team of engineers is…

A:

Q: Q2/suppose there were six kinds of toppings that one could order for a pizza. How many combinations…

A: GivenNo.of toppings(n)=6No.of toppings could be ordered(r)=3

Q: For a fixed x (0<x< 1), suppose Y has a probability mass function [x-¹(1-x); y = 1,2,3,... f(y|x) =…

A: Solution

Q: In dealing poker cards (52 cards in a playing deck), you’re drawing 5 cards at random. What is the…

A:

Q: Q3/ The probability that a consumer will rate a new antipollution device for cars What are the…

A:

Q: a. What is the probability that all the three grade 11 students are included? b. What is the…

A: here in given problem no need of graph or curve  here given in group of 10 students , there are 3…

Q: If the average number of rodents in a cotton farm with a surface area of 20 dunams is 2 per dunum,…

A: Given : Mean =  λ = 2

Q: 14.By examining the past driving records of city drivers, an insurance company has determined the…

A:

Q: Q6/ Find the probabilities that a random variable having the standard normal distribution will take…

A:

Q: Hannah is a student and an online seller. She sells Personal Preventive Equipment (PPE) like face…

A: Note: If the post contains multiple subparts, only allow to do first three subparts as per…

Q: particle is moving on the unit circle x² + y² = 1 at the constant angular ing at the initial…

A:

Q: 15. Lottery Prizes A lottery offers one $1000 prize, one $500 prize, and five $100 prizes. One…

A: The answer is attached below,

Q: hown below are the number of trials and success probability for some Bernoulli trials. Let X denote…

A:

Q: Q5//Four technicians regularly make repairs when breakdowns occur on an automated production line.…

A: Given Information: PHamza=0.20 PYousof=0.60 PAbdulrahman=0.15 PMostafa=0.05 PRepair | Hamza=120=0.05…

Q: P(y) A-If a random variable has a mass function, the probability is defined as follows: 0 1 4 0.25…

A: Note: According to Bartleby guidelines expert solve only one question and maximum 3 subpart of the…