A survey finds that customers are charged incorrectly for 4 out of every 30 items, on average. Suppose a customer purchases 13 items. Find the following probability. A customer is not charged incorrectly for any item.

Q: Suppose that you flip a coin 11 times. What is the probability that you achieve at least 4 tails?

A:

Q: For four pairs of a rare specimen of bird that nested last season, the number of eggs per nest n and...

A: Hiii

Q: QUESTION 3 a) The waiting time at an elevator in a shopping mall is approximately normally distribut...

A: Given that  X~N( μ = 3.2 , ? = 1.5 ) μ = 3.2 , ? = 1.5 Z-score =( x - μ )/? Note: According to bartl...

Q: omponents of a certain type are shipped to a supplier in batches of ten. Suppose that 48% of all suc...

A:

Q: A. Event A and B are mutually exclusive. B. Pr( A OR B) = Pr(A) + Pr(B) = ¾ . C. Pr (not A AND not B...

A:

Q: Assume that the number of network errors experienced in a day on a local area network (LAN) is distr...

A: Given,The mean no.of network errors experienced in a day is 2.4X~Poisson(λ=2.4)P(X=x)=e-2.4 2.4xx!  ...

Q: What are the odds against selecting 3 tens from a deck of cards one after another with no replacemen...

A: Total number of cards in a deck = 52 Number of tens in a deck = 4 Number of non ten cards = 48 The o...

Q: A die was thrown 9000 times and of these 3220 yielded a 3 or 4. Can the die be regarded as unbiased ...

A: Given : A die was thrown 9000 times and of these 3220 yielded a 3 or 4 can the die be regarded as un...

Q: The letters A,A,A,B,B̟C,C,D,E,F,G,H are printed on identical cards (one letter on each card). The ca...

A:

Q: When doing blood testing for a viral infection, the procedure can be made more efficient and less ex...

A:

Q: Which of the following sampling methods was used in the study described below?  A researcher wants ...

A: Sampling is being used

Q: 2. In a class, 60% of the students have brown hair, 30% have brown eyes, 10% have both brown hair an...

A: Given,P(student has brown hair)=0.60P(student has brown eyes)=0.30P(student has both)=0.10

Q: Two catalysts are being analyzed to determine how they affect the average yield of the chemical proc...

A:

Q: How many permutations of all the letters in the English alphabet contain the string abc and the stri...

A: There are 26 letters in the English alphabet

Q: Components of a certain type are shipped to a supplier in batches of ten. Suppose that 48% of all su...

A: Given information: P(B0) = 0.48 P(B1) = 0.32 P(B2) = 0.20

Q: TOPIC: Probability and Discrete Probability Distributions. A bag contains 12 chips. 4 of the chips ...

A: Given that  Total chips=12 Red chips=4 White chips=6 Blue chips=2 Five chips are selected, with repl...

Q: A study includes the accompanying data on compression strength (Ib) for a sample of 12-oz aluminum c...

A:

Q: Determine the minimum integer n such that any set of n consecutive positive integers contains at lea...

A: Hai  

Q: Supposc thcrc arc 3 agcnts i E(1, 2, 3) with prefcrcnces over 3 objcts j Ela, b, c) as follows: 1: c...

A: A random assignment is envy free when the preference of agent does not have any partial way of alloc...

Q: Direction: Identify each graph and answer the following questions. 1. Favorite School Sport 20 18 16...

A:

Q: company that manufactures video cameras produces a basic model and a deluxe model. Over the past yea...

A: Given data,P(Base model)=48%=0.48P(Deluxe model)=1-0.48=0.52P(Extended warrenty|Base model )=32%=0.3...

Q: What is the probability of spinning a number divisible by 3?

A:

Q: One bag contains 4 white and 2 black balls. Another contains 3 white and 5 black balls. If one ball ...

A: Bag 1: 4 white and 2 black  Bag 2: 3 white and 5 black   

Q: Prove Boole's inequality: 00 00 PJa) <E P(a) | A¡) P(A¡) i=1 i=1

A:

Q: A chemical supply company currently has in stock 100 Ib of a certain chemical, which it sells to cus...

A: It is given that x denotes the number of batches ordered by a randomly chosen customer.

Q: 1. If P(A) = determine the odds against event.1 occurring. %3D

A: It is given that P(A) = 2/11, then P(A') is calculated as P(A') = 1 - P(A) = 1 - (2/11) = 9/11 NOTE ...

Q: Find the expected value for the random variable whose probability function graph is displayed here. ...

A: Formula :  E(x)= Σx * p(x)

Q: 4.The lengths of trout in a certain lake are normally distributed with a mean of 7 inches and a stan...

A: For Normally distributed data, mean and standard deviation have given. Minimum size of sample (keepe...

Q: If two dice are rolled one time, find the probability of getting a sum of 9. 1/9 O 2/9 О 1/6 О 18

A:

Q: n(A U B) = 132, n(B) = 71, and n(AN B) = 8, what is n(A)? %3D %3D

A: We have given that n( A U B)=132 , n(B)=71 and n( A ∪ B)=8  

Q: 4. For Poisson arrivals at à packets sec, if packet size is fixed as K bits, link rate is R bps: a. ...

A: @solution::: Transmission rate=RCurrently transmitted packet = × bitsWaiting queue=n packets   Formu...

Q: Two lottery tickets are drawn from 20 for first and second prizes. Find the number of sample points ...

A:

Q: 9. A fair tetrahedral die has four triangular faces with the numbers: 1, 2, 3, 4. The outcomes are e...

A: Given that  A fair four sided dice A fair coin is tossed Sample space for dice=(1,2,3,4) Sample spac...

Q: Identify the correct statement. A. This is a frequentist probability. B. This is a subjective probab...

A: Given:  A researcher tossed a coin 1000 time and used the number of heads to conclude that probabili...

Q: What are the odds against selecting 3 tens from a deck of cards one after another with no replacemen...

A: We know that Number of cards in a deck = 52 Number of tens = 4

Q: The scores on a placement test given to college freshmen for the past five years are approximately N...

A:

Q: Task 4: If 10 men, among whom are A and B, stand in a row, what is the probability that there

A: Given that there are 10 men and the probability of men is 0.5. That is, n=10 and p=0.5 Let X be the ...

Q: A tour operator has a bus that can accommodate 20 tourists. The operator knows that tourists may not...

A:

Q: .This part considers a modified version of the Solow growth model. Suppose the production function i...

A: In an economy, the price of the goods may increase due to some dynamic changes. In this situation, w...

Q: TOPIC: PERMUTATION List all the possible arrangements on the word CARE. Afterwards, given the arran...

A: As per guidelines expert have to answer first question three subparts only dear student please uploa...

Q: For the following data: 4205, 4200, 3800, 3500, 3478, 2800, 2800, 2310 Find coefficient of variation...

A:

Q: Question in probability: Task 3.3: In a symmetrical distribution the mean, standard deviation and ra...

A: Farmula used  Xminimum=Mean -range/2  Xmaximul=mean- range/2 

Q: Let C1, C2, C3 be independent events with probabilities 1/2, 1/3, 1/4 respectivel Q.3. Compute P(CUC...

A:

Q: Let S = {a, b, c, d, e} with P(a) = 0.29, P(b) = 0.18, P(c) = 0.12, and P(d) = 0.08. If F is the eve...

A: According to the given information, we have S ={a, b, c, d, e} P(a) = 0.29 P(b) = 0.18 P(c) = 0.12 P...

Q: Explain why fitting a linear model to this data may be misleading. If you fit a linear model to this...

A: Given:

Q: Expected value exercises 1. What's the expectatitre exandom variable that ace lhuavalues from -3 to ...

A:

Q: Suppose that X has a normal N(µ, o²) distribution and that Y = X + vhere Z is independent of X and h...

A: From the given information, X has a normal distribution Nμ,σ2 distribution Y=X+Z, where Z is indepen...

Q: The loss due to a fire in a commercial building is modeled by a random variable X with density funct...

A: Solution

Q: 4, calculate P(system works). (Round your answer to four decimal places.)

A: Here each component work independently  Devide given system into 2 part A And B for easy calculation