A student has 3 volumes of short stories and 2 novels on a bookshelf. She selects 3 books at random to take home over vacation. A random variable X is defined to be the number of novels selected. Find the values assumed by X and its density function

Q: A company estimates that 0.4% of their products will fail after the original warranty period but…

A: P(replace) = 0.004 replacement cost = $500 exxtend warranty for $57 find expected value for warranty…

Q: 2. A box contains 6 green, are selected at random from the box. a. How many ways can the four balls…

A: given data  6 green 5 yellow 4 blue 3 orange _______________ 18 total balls

Q: n a completely random DNA sequence four nucleotides are determined.  What is the chance that they…

A: given data DNA sequence four nucleotidesP(sequence ATCG) = ?

Q: Create a box plot showing the calories data

A: Followings are the Explanation of the question Use the SPSS and draw the Box plot for Calories data…

Q: Let A. B, C be three events in the sample space S. Write down the expression for the event that at…

A: It is given that A, B and C are three events in the sample space S.

Q: (24) of the joint Prob distrib of x and I is given by 2 for x = 1, 2 and y=1, 2, 3 be-y)² 7 flacy) =…

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

Q: If A and B are disjoint events, which of the following is correct? A P(An B) = P(A)P(B) BP(A) = 1-…

A: As per our guidelines I can solve only first three subparts only. Kindly post the remaining subpart…

Q: Exercise 2.1. Foresters want to estimate the average age of trees in a stand. Determining age is…

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

Q: A rondom Variable x takes value X; with Robabilty Pi, with (= 1,... N labelling all possibilities.…

A: A random variable X takes values Xi with probability Pi where i=1,2,....,N The mean value of X is,…

Q: blue bricks. Determine the probability of randomly selecting a Chrome-Black brick. Express this…

A: It is given that  Red bricks = 190 Yellow bricks = 320 Blue bricks = 250 Chrome-black bricks = 30…

Q: Suppose we want to choose 6 letters, without replacement, from 10 distinct letters. (a) If the order…

A: From the provided information, We want to choose 6 letters without replacement from 10 distinct…

Q: pianist plans to play 4 pieces at a recital from her repertoire of 26 pieces. How many different…

A: given data, A pianist plans to play 4 pieces at a recital from her repertoire of 26 pieceswe have to…

Q: . Let_x(t,0) = X¸sin(2Ãt+0) where the phase angle O is a random variable. The PDF of 0 is sketched…

A:

Q: A test was given to a group of students. The grades and gender are summarized below   A B C Total…

A: Given data;   A B C Total Male 18 11 8 37 Female 15 13 17 45 Total 33 24 25 82

Q: 1 Tensile testing is often used to determine whether or not a material will be useful for a given…

A: Obtain the 95% confidence interval for the mean tensile strength of the particular diameter fishing…

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: Compute the probability of 7 successes in a random sample of size n = 15 obtained from a population…

A: given data N=40X=20p=xn =2040  =0.50n=15x= no of successp=0.50q=1-0.50=0.50p(X=x)=nCx * px *qn-x…

Q: question 8 Two dice are rolled. If we add up the two faces, what is the probability of getting a 5?…

A: If two dice are rolled then the possible outcomes…

Q: A pair of dice is rolled. Find the probability of rolling a) a sum not more than 10, b) a sum not…

A:

Q: A null hypothesis of the form Ho: μ = 20, is being tested against H₁ : µ ‡ 20, where is the…

A: Given H0 :  μ=20

Q: 9. Grading Exams: Your professor has just collected eight different statics exams. If these exams…

A: As per our guidelines we are supposed to answer only one question per post so i am solving first…

Q: 11C6

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

Q: A prospective study with a 2-year (24-month) follow-up was conducted. Results are shown in the table…

A: Given the survival data for 20 participants of hypothetical prospective study with a 2-year…

Q: What the answer?

A: 7 Prizes to 7 different People Total number of people = 19 First Prize Second Prize Third…

Q: Exercise 2.5. From a population consisting of 100 individuals with their weekly income (y) and age (…

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

Q: Suppose Y uni f (0,5). Determine the probability that the following quadratic equation x² + 2xy + Y…

A:

Q: Use the spinner below. 10 9 8 12 1 7 6 C Si 3 P(greater than 12) = Enter the probability as a…

A: given data  roll a spinner equally likely outcomes : {1,2,3,4,5,6,7,8,9,10,11,12} P(roll greater…

Q: 9.) The organizers of a fundraiser set up an ice cream station at their event. Each serving will…

A: Given data The organizers of a fund raiser set up an ice cream station at their event

Q: The density function of X is given by If E(X)=, find a and b. f(x) = a + bx², 0≤x≤1.

A: As per our guidelines we can solve first question and rest can be reposted.

Q: do you have the rest of the answers

A: Solution: Given information: n= 8 Sample size x= 6.68 psi Sample mean s=0.75 psi  Sample standard…

Q: Need explanation and proper formatting, so that I can read and understand it...

A: Population :  N=40  Success (S)=20  Sample :  n=15 success (s)=7  Here ;  Population and sample both…

Q: A certain kind of cereal is packaged in boxes labeled as having 12 oz (net weight) of cereal. Let u…

A: a.   Suppose μ is the true average net weight of cereal in boxes recently packaged at a certain…

Q: Assume that x is a binomial random variable with n = 80 and p = 0.5. Use a normal approximation to…

A: It is given that  n = 80 p = 0.5 q = 1 - p = 1 - 0.5 = 0.5

Q: A new diagnostic test is developed for Foot-and-Mouth Disease (FMD). The probability that the test…

A: Given information: The probability that the test is positive if an animal has FMD is 0.95.…

Q: A home pregnancy test was given to women, then pregnancy was verified through blood tests. The…

A: Event which happen based on the other events which already happen is known as condition event. It…

Q: From observations of the weather, it is known that on October 20 the probability of rain is 0.85. A…

A: Solution: From the given information,

Q: Suppose you have an urn containing 6 red and 4 blue balls. You draw 3 balls at random. On each draw,…

A: We have given that  An urn contain 6 red and 4 blue balls  And we have draw 3 balls at random

Q: Suppose that X has a discrete distribution with the following cumulative distribution function 0.35…

A:

Q: The Venn diagram below shows a sample space, S, of equally likely outcomes and events A and B. Find…

A: It is given that in Venn diagram, Total Sample space, n( S ) = 17 n( A ) = 7 n ( B ) = 4 n( A and B…

Q: The following table shows the profile, by the math section of the SAT Reasoning Test, of admitted…

A: From the table, the total number of applicants is 70139. The number of applicants neither had math…

Q: For their final project, a group of AP Statistics students investigated their belief that female's…

A: For Male:

Q: Roulette You bet on 10, 22 and 36. what is the probability you will win?

A: The probability of the favourable outcome can be calculated using the formula,  Probability = n(F)…

Q: There are red, blue, and yellow tiles of size 1 × 1, and green, pink, orange, and purple tiles of…

A: By the word permutation, one implies arrangement. For example, let us assume there are three persons…

Q: Assume that a procedure yields a binomial distribution with a trial repeated n=20n=20 times. Find…

A: Given that n= 20 , p = 19/60 , x = 11 Using the binomial distribution

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: Create a box plot

A: Draw the boxplot using MINITAB. MINITAB Procedure: Step 1: Choose Graph >Boxplot or Stat > EDA…

Q: 1) A supplier ships a lot of 5000 connectors. A sample of 500 is selected at random, without…

A: Following are the Explanation of the question

Q: Let A and B be any two events. Then P(A-B)= A B P(A)P(B) C P(A)-P(ANB) D P(A)-P(B) MONT WAN…

A: We have given that A and B be any two events

Q: A xondom Variable x takes value X; with Bobabilty Pi with i=1, N i = 1,..., N labelling all…

A: There are N different values taken by a random variable Xi with respective probability pi. The…

Q: Twenty percent of all undergraduates at a university are chemistry majors. In a random sample of six…

A: P9chemistry major) = p = 0.20 sample size(n) = 6 x = no. of chemistry majors P(x=3) = ?