Question 10 A basket contains 6 oranges and 4 tangerines. A sample of 3 is drawn....
A batch of 30 intrinsic semiconductors contains 10% defective parts. A sample of 10 is drawn at random. X = the number of defective parts in the sample. Determine the probability in the sample (X).
A shipment of 10 printers contains 4 that are defective. Find the probability that a sample of size 4, drawn from the 10, will not contain a defective printer. The probability is (Type an integer or a simplified fraction.)
A student takes a test consisting of 10 multiple choice questions. Each question has four answers, but only one correct answer. (a) What is the probability that the student answers exactly seven questions correctly? (b) What is the probability that the student answers at most two questions correctly?
3. Suppose a batch of 50 items contains 4 defective ones, and a sample of 5 items is selected at random from the batch. Let X denote the number of defective items in the sample. (a) What is the name of the distribution of X? (b) Find the probability mass function for X. You may write this as a function or as a chart. If you write it as a function, also give the set of X values where the...
Plz Answer/Show work for Q:1-9 Answer the question 1) Which of the following cannot be a probability? A) Q -1 2) On a multiple choice test with four possible answers for each question, what is the probability of answering a question correctly if you make a random guess? A) ED1 9} > Find the indicated probability. 3) In a certain class of students, there are 11 boys from Wilmette, 3 girls from Kenilworth girls from Wilmette, 5 boys from Glenco,...
An urn contains 7 white, 3 red and 10 black balls. If five balls are drawn at random, find the probability that at least one red ball is selected.
4 In an effort to persuade customers to reduce their electricity consumption, special discounts have been offered for low consumption customers. In Florida, the EPA estimates that 70% of the residences have qualified for these discounts. If, instead, a sample of 20 residences is selected, what is the probability 12 or more will have qualified for the discounts? QUESTION 5 4 points Save A quiz consists of 15 multiple choice questions. Each question has 5 choices, with exactly one correct...
please show all work 1. 120 points! Four machines produce the total output of a factory, Machine 1 produces 30%, machine 2 produces 25% machine 3 produces 12% and machine 4 produces 13% of the output. 5% of the output of machine lis defective, 8% from machine 2 is not defective, 3% from machine 3 is defective and 4% from machine 4 is not defective. If a finished item is selected at rindom, a. What is the probability of it...
Suppose a quiz has 12 multiple choice questions. Each question has 4 answer choices. If a student takes the quiz and randomly guesses on every question.... Find the probability the student gets between 1 and 6, exclusive, questions correct? Find the probability the student gets more than 8 questions correct?
Question 7 (4 points) A student takes a multiple choice test consisting of 5 questions where there are 4 choices per question. Also, each question is worth 20 points. Suppose the student guesses on each question. Let X be the number of questions the student gets correct. The probability distribution for X is given below. Find the probability that the student gets at least a 60 on the test. Give your answer to four decimal places. x10 11 12 13...