You run into a random student from group who won lottary. What is the probability that this random student is a group A?

Q: A family has three children. Assuming that boys and girls are equally likely, determine the probabil...

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Q: An investor owns shares in a stock whose present value is 20. She has decided that she must sell her...

A: A number of events will be independent if the probability of occurrence of any one of them is not af...

Q: A bag contains five green marbles and three red marbles, and then a fair coin is tossed once. Find t...

A: Event can be determined as independent and dependent events. If the two events does not cause any im...

Q: You are going to play a game. In this game, you shuffle the deck, draw one card and then putth card ...

A: Please find the solution below. Thank you

Q: Which of the following data show most likely the largest possible variance or variability?

A: HERE FOR VARIATION THE MORE VALUE RANDOM VARIABLE TAKES THE LARGER THE VARIANCE          NOTE-AS PER...

Q: 16. In a Poisson Distribution, the mean and variance are equal. a) True b) False

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Q: On a Physicians Licensure Exam with a population mean of 83 and standard deviation of 8. Jenny score...

A: It is given that Mean = 83, Standard deviation 8  

Q: A die is tossed only once. What is the probability that either a number less than 5 or an even numbe...

A: if a die is rolled once than the possible outcomes areS=1,2,3,4,5,6

Q: Solve for the probability of each event. Write your answers as a reduced fraction. A six-sided die ...

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Q: Problems 18, 19, 20: A number consisting of three different digits is to be formed using the integer...

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Q: Which formula would you use to solve this problem? The population percentage is 46%. What is the pro...

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Q: Do you think this is a good idea? Find the expected value of hosting the tournament.

A: Here Given Club Expense=$12,000 Revenue from ticket=$18,000 Probability of rain=0.2  

Q: A deck of cards is shuffled and two cards are drawn. Find the chance that the second card is a club...

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Q: You are going to play a game. In this game, you shuffle the deck, draw one card and then will but th...

A: Please find the solution below. Thank you  

Q: What is the probability that a leap year selected at random will contain either 53 Thursdays or 53 F...

A: Solution is given:

Q: What is the probability of getting a total of 7 or 11

A: HERE given, two dice are rolled  so total outcomes = 6×6 = 36 and favourable outcomes rolling 7  are...

Q: Q10/ At room temperature (300 K) with the Fermi level located exactly in the middle of the bandgap, ...

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Q: 13. A supplier delivers an order for 30 electric toothbrushes to a store. By accident, three of the ...

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Q: Find in how many ways can two admirals, three generals, and four lieutenants can be seated in a row ...

A: Total seats = 9 Admirals =2 Generals=3 Lieutenants =4

Q: Which of the following instruments can be used to find the values of continuous random variable? Ple...

A: Option C is correct. Answer : weighing scale  Explanation : As weight is a continuous random variabl...

Q: The number of knots in a particular type of wood has a Poisson distribution with an average of 1.8 k...

A: Given,A random variable X~Poisson(λ=1.8)P(X=x)=e-1.81.8xx!  ;   x≥0

Q: PlY) X: PCx) メ-N (x-My (x-ル)*. P(x) 1/7 16 g*- 2kの.Pe) す。

A: 1) The given data  is ,  x p(x) 1 0.14285 6 0.14285 11 0.14285 14 0.14285 21 0.14285 ...

Q: Directions: Sketch the normal curve and find the area that corresponds to each of the following 1. t...

A: z be a standard normal curve.z~N(0,1)

Q: 14. Let X be a discrete random variable with the following PMF 1 for k = -2 4 1 for k = -1 Px (k) 1 ...

A: Farmula used  Range=Maximum-Minimum   

Q: 10. How many possible outcomes will occur from the experiment above? А. 2 В. 4. С. 6 D. 8 12. What m...

A: When we tossed two fair coins then the  the sample space is given by S= {HH,HT,TH,TT}   

Q: 4. Do the followings with R: a. Create a plot of the pf of X. b. Create a plot of the cdf of X. c. D...

A: 4. Pdf of X: Here, X follows Binomial distribution with n=3 and p=0.4.  

Q: how many ways can a coach select a guards? starting five of one center, two forwards and two

A: here given , basket ball team consist of 2 centers 4 forward and four guard  

Q: 2 You are going to play a game. In this game, you shuffle the deck, draw one card and then b:th- car...

A: Given : Total number of cards drawn =10 In a deck of cards there are total 52 cards in which 26 are ...

Q: Suppose that a family is leaving on a summer vacation in their camper and that M is the event that t...

A: Venn diagram: Venn diagrams are used to represent the relations between the finite groups represente...

Q: each form being successful is find the probability that he is successful in: a) 1 application. b) Le...

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Q: The life of a semiconductor laser at a constant Power is normally distributed with mean of 488 hours...

A: Given: Mean (μ)=488standard deviation (σ)=208

Q: Use the multiplication rule of probability in answering the following activity. An urn contains 5 r...

A: Given that  An urn contains  5 Red , 2 Green, 3 Blue, 7 Yellow marbles  An marble is chosen random  ...

Q: 88. Ten books, consisting of 5 mathematics books, 3 physics books, and 2 chemistry books, random. De...

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Q: The probabilities that amy and tess will arrive at party on time are 2/3 and 3/4 respectively. Find ...

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Q: The number of customers waiting for gift-wrap service at a department store is an rv X with possible...

A: In this case, we can observe that the two events are not independent. The variable X represents the ...

Q: What is the probability that out of 250 babies born, 130 or fewer will be boys? Assume that boys and...

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Q: 4. A consumer attends a retail location selling overruns and surplus packages. There is a 0.15 chanc...

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Q: Three coins are tossed. Find the probability of getting at least two head

A: Given Three coins are tossed 

Q: Three card are drawn at random from a full pack of cards. Find the probability that the three cards ...

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Q: If one scanner is taken from each box, what is the probability that the scanners from the first and ...

A: here A pharmacy buys one box each of 50 thermal scanners from four different companies. There are 8 ...

Q: In a group of 100 students, 60 are freshman, 60 are female, and 25 are female freshman. 1. What is t...

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Q: Scores on an endurance test for cardiac patients are normally distributed with mean of 185 and stand...

A: Given that, Scores on an endurance test for cardiac patients are normally distributed with mean of 1...

Q: The 68-95-99 Rule 3 The image on the left shows a normal distribution curve with u = 50 and a = 4. W...

A: As per bartleby guideline expert have to answer first question only dear student please upload other...

Q: The length of a movie file that is available for streaming is modeled using the normal distribution ...

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Q: A fair coin is tossed three times. What is the probability of getting a) exactly two heads (b) at le...

A: GivenA fair coin is tossed three times

Q: If applicable, please use Probability of Mutually Exclusive and Not Mutually Exclusive Events as ref...

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Q: The annual rainfall in a certain region is modeled using the normal distribution shown below. The me...

A: Empirical rule: The probability of the observation lies within 1 standard deviation of the mean, un...

Q: "SmartB" owns a phone battery assembly line which provide phone battery to a mobile company. It is k...

A: Given that , 4% of the batteries produced by "SmartB" are defective.  i.e. p=4% = 0.04 And random sa...

Q: 12. The events having no experimental outcomes in common is called: a) Equally likely events « b) Ex...

A: Given that  14... The probability density function of a Markov process is a) p(x1,x2,x3.......xn) = ...

Q: n how many ways can a committee of 4 be selected from 8 seniors 8. and 6 juniors if the committee mu...

A: Since you have posted multiple questions, as per our guidelines, we have provided answer for first q...