picked at random. Calculate the probability that it is reliable.

Q: Q4: A group of 30 manufactured of concrete pipes contain 8 defective pipes and 22 non-defective…

A: here given ,  A sample of 5 pipes is selected from 30 pipes without replacement  so Here we can use…

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

A: Solution-: Given: There are 6 kinds of toppings that one could order for a pizza.  How many…

Q: An engineering student who didn't study for his exam, just randomly guesses the correct answer. Each…

A:

Q: Is the given statement true or false? C= "Cn-r a. False O b. True O

A: Given,Crn=n!n-r! r!

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: probability that there will 10 log-ons over a 48 minute period? What is the probability that at…

A: here given , in large corporate  computer network ,  there are an average of 27 log-ons per hour  λ…

Q: nuclear power station is to b possible sites. A team of eng commissioned to examine th

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Q: probability that over the next 3 days, no more than 10 classic comic books are sold? (Assume a…

A: Given : mean : λ = 12

Q: been met. The calculated test statistic is approximately 1.40 with an associated p-value of…

A: Solution  Given that,  Suppose a city official conducts a hypothesis test to test the claim that the…

Q: 4. Let X₁, X₂,..., X, be mutually independent and identically distributed random variables with…

A:

Q: choose a number from the set {1, 2, 3, ..., 100} uniformly at random and denote this number by X.…

A: Given: 1, 2, 3, .........100 are there in a set. A number X is selected from above set. Independent…

Q: An ordinary (fair) die is a cube with the numbers  1  through  6  on the sides (represented by…

A: A fair dice has 6 possible outcomes as 1,2,3,4,5,6. The total number of outcomes if a die is rolled…

Q: A shipment of two boxes, each containing eight telephones, is received by a store. Box 1 contains…

A: Given that there are total 8 telephone in each box and Box 1 contain two defective Phone amd Box 1…

Q: (a) Find the probability that the person chosen is male given he is employed. (b) That the person is…

A: here given table          Employed   Unemployed        TotalMale     460             40…

Q: Teachers' Salaries The average annual salary for all U.S. teachers is $47,750. Assume that the…

A: The provided information is  µ=47750 σ=5680 Part 1 of 2 P(38500≤X≤50000)…

Q: many different possibilities are there for arranging the

A:

Q: Two cards will be drawn one after the other from a standard deck of card. Event A represent a heart…

A: Given that two cards will be drawn one after the other from a standard deck of card. Event A…

Q: Assume you are taking Sr. Design I this semester, and now you must select your partner(s). There are…

A:

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

A:

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

A:

Q: 0.10, and 0.20, respectively, what is the probability that the system functions?

A: here given ,  p(A') = probability of A fail =  0.10 , so p(A) = 1- p(A') = 1 - 0.10 = 0.9  p(B') =…

Q: Using a balanced coin, for an experiment with 3 tosses. X is the random variable that assume the…

A:

Q: he slope and y-intercept to the nearest thousandth. Grades on Midterm and Final Exams Grades on…

A: Given the equation of the regression line, ŷ = bo+b₁x.

Q: How many favorable outcomes are expressed in the probability 7/9

A:

Q: 4. (填空题, 2.0分) Give the sample space of rolling a six-sided die_

A: We have given the following statement about the dice.   A Set of all possible  outcomes  as the…

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

A:

Q: (a) Consider the 48-ball lottery game described above. In how many different ways can you select a…

A: Fundamental Principle of Counting In basic counting, the product guideline is the most important…

Q: What are the probabilities that it will rate the device (a) very poor, poor, fair, or good; (b)…

A: The Total probability = 1 Rate Probability Very Poor 0.07 Poor 0.12 Fair  0.17 Good 0.32…

Q: P(-2<Z<2)=

A: P(-2&lt;Z&lt;2)= (four decimal places)

Q: Vehicles pass through a junction on a busy road at an average rate of 60 per hour.  a) Find the…

A: Solution-: Given: Average =λ=60 per hour We want to find, (a) P(none passes in a given 30-minute…

Q: Question 6 A simple dice game involves the player paying $1 to play. Two fair six-sided dice are…

A: Given information:- x P(X = x) x*P(X = x) x2*P(X = x) -1       1       4       10

Q: 00 (Note: Express your answers as decimal fractions rounded to 4 decimal places (if they have more…

A: Given: The given matrix is as follows, P=0.40.10.50.30.70⊥00

Q: μ = 3, o² = 9, P(-6 < X < 12) a. Determine P(u - ko < X < µ+ ko) ≥ 1 − 1/k²

A: Given μ=3, population variance σ2=9, P(-6&lt;X&lt;12)=?

Q: 2. The CPU time requirement X of a typical job can be modeled by the following hyperexponential…

A:

Q: Records indicate that, in Australia, 65% of secondary students participate in sport, and 71% of…

A: The following information has been given: Let A denotes the secondary students  who participate in…

Q: A continous random variable x has p.d.f.,then a. f(x) >=1 b. f(x) >==0 O C. 0=;0

A: In above question we will talk about it is true or not for probability density function(pdf)

Q: In a particular week, the probability that it will rain is 75% each day. What is the probability…

A: Given data in a particular week the probability that it will rain is 75% each day.

Q: (a)Juan is watching his favorite soccer team playing a match. The odds against his favorite team…

A: Disclaimer: Since you have asked multiple questions, we will solve the first question for you. If…

Q: For the given probability distribution, X f(x,y) 1 2 5 0.25 0.2 y 10 0.2 0.15 15 0.15 0.05 Determine…

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Q: Consider the circuit. Suppose that the probability of a device functioning correctly is pw = 0.92…

A:

Q: 1. At the horse races, the chances of a horse winning is expressed as odds against. In the first…

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Q: 1. A manufacturing plant consists of four machines, independently operating, to produce a certain…

A: Given:The data is given.

Q: Problems 1. Consider discrete random variables X and Y [BLAK 1979] with the joint pmf as shown…

A:

Q: Problems 1. Consider an database server designed to handle a maximum of 15 transactions per second.…

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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: Suppose that a random variable X has a continuous distribution with the probability density function…

A: Answer:-  Given X has a continuous distribution with the probability density function…

Q: (a) Let U~ uniform[0, 2], and let U S= Se Find (i) E[S], (ii) P(S≥ 0.5). (b) Repeat (a) if U~ exp(2)…

A: Given: S= ∫0Ue-sds

Q: Given a deck of 52 playing cards, in how many ways can a hand of 5 cards be dealt such that 2 are…

A:

Q: The probability that Mr. Johnson goes for an evening walk on any given day during the winter is…

A: Formula : E(X) = np'

Q: In an experiment where 2 balls are drawn successively at random without replacement from a box…

A: Given Information: A box contains 2 Red, 3 Green, and 2 Blue balls. Two balls are drawn at random…