Based on a survey of registered voters, party affiliation and gender are summarized below   Democrat Republican Independent Total Male 40 16 18 74 Female 6 3 8 17 Total 46 19 26 91 If one registered voter is chosen at random, Find the probability that the registered voter was registed as a democrat. Write your answer as a decimal rounded to three decimal places.

Q: Assume that a procedure yields a binomial distribution with a trial repeated n=8n=8 times. Find the…

A: given datan = 8P(success) = p = 0.42P(x=8) = ?

Q: Consider a dataset containing the heights of 38 females who said they prefer to sit in the front of…

A: Givensample size(n)=38Mean(x)=62standard deviation(s)=2.5significance level(α)=10%=0.10The null and…

Q: 2. i. Show that p(x): = ii. Show that f(x): 10 x³+1 62 x = 3,4,5,6, is a valid probability mass…

A:

Q: Let f(x) = k(5x - x²) if 0 ≤ x ≤ 5 and f(x) = 0 if x 5. (a) For what value of k is f a probability…

A:

Q: A teacher has found that the probability that a student studies for a test is 0.75, and the…

A: Givenprobability that a student studies for a test =0.76Probability that a student gets a good grade…

Q: Use the attached random digit table to estimate the probability of the event that at least 2 people…

A: Random digit table is read from left to right and from top to bottom.

Q: The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget…

A:

Q: Assume that a procedure yields a binomial distribution with a trial repeated n=17n=17 times. Find…

A: Answer: - Given, a binomial distribution with a trial repeated n=17 times, q = 0.51…

Q: Two fair six-sided dice are rotted Cone green and one orange), with out comes X and Y respectively…

A:

Q: Evaluate. 5!2! 3!6!

A: we know that ,r!=r(r-1)(r-2).......×2×1

Q: A green marble is drawn. What is the probability that it came from Jar 2?

A: Let us define some events  A : Jar 1 is selected. B : Jar 2 is selected C : Jar 3 is selected. E :…

Q: c) Suppose that the results of carrying out the hypothesis test lead to non-rejection of the nu…

A: part(c)

Q: The probability density function of a continuous random variable X is given by y=4−2x    from x=1…

A: A continuous function f(x) is the probability density function of the continuous random variable X…

Q: If X1,X2,...,Xn constitute a random sample of size n from a gamma population with α =2, use the…

A: Xi ~ gamma(ɑ=2 , β) ; i=1,2,...,n

Q: A computer password must be eight characters long. How many passwords are possible if only the 26…

A: Given Total no.of alphabets=26No.of characters long =8

Q: Let X₁, X2, X3,..., Xn denote a random sample of size n from the population distributed with the…

A:

Q: Suppose Kendra Gallegos has appointments with 7 potential customers. Kendra will be ecstatic if all…

A: given data 7 potential customers number of different sets of customer may place an order with kendra…

Q: following probability density function: a) f(x; 0) = {0, What is the parameter space of 0? ((0+1)xº,…

A: Given Pdf  f(x; θ)=(1+θ)xθ0< x<1

Q: borderline, spin again. Find the probability that the pointer will stop on an odd number or a number…

A: It is given that  Total numbers = 8 Odd numbers = 4    ( 1, 3, 5, 7 ) Number less than 7 = 6    ( 1,…

Q: Suppose that the speeds of drivers on a certain road are normally distributed, with μ-33.8 mph and…

A: According to the given information in this question We need to answer two parts

Q: b) Suppose that a random variable X has a probability density function given as (2(ß-x) f(x; B) = B²…

A: Pivotal quantity,; Pivotal quantity is the quantity which distribution is independent of parameter

Q: A.342 hitter comes to bat four times in a game. What is the probability of his getting no hits? What…

A: Followings are the Explanation of the question

Q: Option C: Cash4Life, Lucky4Life or similar (groups of 2): 1. Find the expected value without the…

A: 1 & 2:

Q: Using the data and your graphing calculator answer the questions that follow. This table represents…

A: A) Here, test score is depended on the number of hours studied. The dependent variable is Test score…

Q: A large insurance company maintains a central computing system that contains a variety of…

A: Given Information: Number of servers is k=3 Arrival rate for calls λ=33 Service rate for calls μ=22…

Q: Problem 5 Consider the probability space (2,4,P) with = (0,1), A = P(Q), and P({0})= = = P({1}).…

A: We can  take two practical examples as below 1. When tossing a coin 2. When a game is played between…

Q: 1. Which of the following functions are cumulative distribution functions? (Hint: Sketch the graph…

A: Given the functions : (a)        FXx=2x5,  x<212,   2≤x<31,     x≥3 (b)       FYy=0,…

Q: C1. A collector wants to collect football stickers to fill an album. There are n unique stickers to…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: A bank vice president feels that each savings account customer h The following distribution…

A: It is given that the distribution represents the number of credit cards people own.

Q: Queen Dido, the founder of Carthage, was told that she could have as much land for Carthage as could…

A: a) Let L be the length of the rope in kilometers and A be the area encircled by the rope along the…

Q: At a race track you have the opportunity to buy a ticket that requires you to pick the first and…

A: pick the first and second places in the firdt two races.  first race runs 12 horses second race runs…

Q: Uniform Distribution. If the random variable x is uniformly distributed for values greater than 20…

A: Given:   continuous Random variable X from uniform (20, 80) Cdf of x : F(x)= (x-20)/(80-20)…

Q: 3. A group of people were asked if they had run a red light in the last year. 150 responded “yes”,…

A: Given,no.of people had run ared light in the last year=150no.of people responded "no" =185Total…

Q: IfX1 andX2 are the means of independent random samples of sizes n1 and n2 from a normal population…

A:

Q: A card is dealt from a complete deck of fifty-two playing cards (no jokers). Use probability rules…

A: It is given that a complete deck of fifty-two playing cards in a dealt.

Q: P((0)) ==P((1)). les X and Y that have the same distribution (i.e. the same probabi X(w) #Y(w) for…

A:

Q: dog breeder has 15 puppies for sale. Eight are yellow Labs. If 5 puppies are selected at random,…

A: According to the given information in this question We need to find the probability

Q: Olivia is registering for a biology class.  Below is a table of teachers and the periods they teach…

A: There are total number of classes N= 10.   Bridget prefers either Ms. Scarlet or Mr. Green. The…

Q: You flip a coin twice. What is the probability that the second flip comes up heads, given that the…

A: If a coin is flip twice then the sample space is S = { HH, HT, TH, TT } Total outcomes = 4

Q: The number of x people entering the intensive care unit (ICU) at a particular hospital on any given…

A: From the provided information, The number of people (x) follows Poisson distribution with mean rate…

Q: 6. On the average, it takes 25 seconds to download a file from the internet. If it takes an…

A:

Q: archaeological site 130 sk ound ar heights asured and found to be approximately normal with mean 172…

A: Given:  μ=172  σ2=81

Q: You roll two fair 6-sided dice. What is the probability that you: a) roll doubles? (both dice show…

A: roll two fair six sided dice. total outcomes  =6*6 = 36

Q: HUS pep I to InuomA Task 4: A random variable X is uniformly distributed bewteen 2 and 12. What is…

A: Given  A random variable X is uniformly distributed between 2 and 12

Q: The PDF of a random variable is if x < 4 if x ≥ 4 f(x) = { 0, A (7+x)²⁹

A: Given pdf is, fx=0, if x&lt;4A7+x2, x≥4

Q: h. Are the events "King" and "Diamond" independent? V

A: We know that There are 52 cards in the deck divided into two colour i.e red(26) and black (26).…

Q: You and your best friend are part of a group of 102 students which are to be divided into 3 classes…

A: Group of 102 students Divided in 3 equal classes ( 102/3 = 34 students in each group) P(both friends…

Q: A random variable has the following probability density function (pdf), f(x) = { c(²x - x²) 0≤x≤2…

A: Answer: - Given, the Pdf of x is                  f(x) = c(2x - x2)0 ≤x≤20otherwise…

Q: A box has 6 blue and 4 green jelly beans. A bag has 9 blue and 2 green jelly beans. A jelly bean is…

A: In A box:no.of blue jelly beans=6no.of green jelly beans=4Total no.of jelly beans=10In a bag:no.of…

Q: Problem 3 i.e. Let W, be a negative-binomial variable with parameter p € (0,1), -{C-1) P²α-p P{W, =…

A: We have Wr negative binomial random variable with parameter r and p and PMF given by…