A bag contains 5 white and 3 black balls. Two balls are drawn at random one after the other without replacement. Find the probability that balls drawn are black.

Q: die is rolled three times. What is the chance that at least one roll shows 1 spot?

A: Given, experiment:-if die rolled three times. then number of elements in sample space(S)=63=216

Q: 15. A rug manufacturer has decided to use five compatible colors in her rugs. However, in weaving a ...

A: Given that  For Rug manufacturer  Number of colors=5  In a Rug weaving  Number of spindles=4  We hav...

Q: 5. A certain non-leap year has 365 days, and January 1 occurs on a Monday. How many Mondays are in t...

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Q: The entire deck of 52 cards is dealt out to 4 players (the Ist player, 2nd player, 3rd player and 4t...

A: Given Total card in the deck -  52 Total players - 4 We need to find  1) What is the probability of ...

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: 5. Five hundred children participated in a field demonstration. Their heights averaged 110 cm with s...

A: 5)GivenMean(μ)=110standard deviation(σ)=6

Q: 7. How many planned to do at most ane of these activities?

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Q: Suppose Z follows the standard normal distribution. Use the calculator provided, or this table, to d...

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Q: that out of these three items (i) three items are non-defective; (ii) two are non defective and one ...

A: here given , there are total 20 items 12 are non defective  and  8 are defective customer select 3 i...

Q: 1. Answer the following: Given: A = {1, 2, 3, 4, 5, 6}, B = {2, 4, 5, 6}, and C = {1, 6, 7}. B'nC'= ...

A:

Q: 1. Fill out the table.

A: here given outcomes of rolling 2 dice there are total 36 outcomes  

Q: How many Licence plates of two letters followed by three digits can be made if the letters and digit...

A:

Q: 5. ISE has installed a new air purifying system in all 25 lecture rooms, one per room. Suppose 2 of ...

A: Given information: μGood=5λGood=15=0.20μDefective=1λDefective=11=1.0

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: It is possible to determine the population’s mean and standard deviation? If so, what are these valu...

A: Here given population values 50 and 80   

Q: If 8 new teachers are to be divided among 4 schools, and one school must have at least three teacher...

A: The number of ways to divide 8 new teachers among 4 schools is 48=65536.

Q: E[2A+ 3B + C – E + 2D] |

A:

Q: Find the probability that the chosen ball is blue or red.

A: It is a problem of basic probability. A ball is drawn randomly from a basket containing red, blue an...

Q: be repeated? 24. Suppose you find seven articles related to your research paper. In how many ways ca...

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Q: Suppose that T(X) is sufficient for 0 and that ^e(X) is an MLE of 0. Show that ^0 depends on X throu...

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Q: There are 15 married couples in a dressing room. The photographer is tasked to take a picture of eac...

A: We need to find the number of people who must be called out of the room so that he is sure that ther...

Q: Show combination notation in solving each of the following problems. A group of 6 women and 8 men mu...

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Q: The table summarizes the number of public schools in two California counties in 2017. County Los Ang...

A: Given data is School Country   Los Angeles San Diego Total Elementary 1395 498 1893 Middle ...

Q: How many Licence plates of two letters followed by three digits can be made if the letters and digit...

A: no.of digits(0 to 9)=10no.of letters (A to Z)=26

Q: A stockist has 20 items in a lot. Out of which 12 are non-defective and 8 are defective. A customer ...

A: Solution is given: hope the answer is helpful.

Q: Hi! My topic is about Probability of Mutually Exclusive and Not Mutually Exclusive Events. If applic...

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Q: Use the multiplication rule of probability in answering the following activity. A standard die is r...

A: A standard die is rolled 4 times.What is the probability of getting a prime number on the first roll...

Q: Which of the following is the domain of a random variable? Choose the correct answer: a. set of whol...

A: Sample space Sample space is the set of all outcomes of a random experiment.

Q: Consider the situation below and determine whether the events are INDEPENDENT or DEPENDENT EVENTS th...

A:

Q: The polulation of a certain town, as obtained from the census data, is shown in the following table....

A: Population given according to years. First we have to calculate difference table. Than we can calcul...

Q: A typist makes 3 errors per page on the average. What is the probability that she makes (i) no error...

A:

Q: 3. In a job fair, 3 000 applicants applied for a job. Their mean age was found to be 28 with a stand...

A: ( 3 ) Given mean = 28 ,s.d =4 ,n =3000 Find the given problems

Q: Variance is frequently used measure of dispersion for the probability distribution of a random varia...

A: Consider two lotteries. Lottery A is such that an individual receives a prize of 1 unit of a consump...

Q: An urn contains 7 white and 3 red balls. Two balls are drawn together at random from the urn. Find t...

A: Given,no.of white balls=7no.of red balls=3Total no.of balls=10

Q: Consider a small ferry that can accommodate cars and buses. The toll for cars is $3, and the toll fo...

A: In the given case, the table y represents the number of buses in the ferry that traveled along and x...

Q: Ple=Z sl.04)=0.8334

A: GivenP(c≤z≤1.04)=0.8234

Q: You enter a chess tournament where you probability of win- ning a game is 0.3 against half the playe...

A:

Q: If 5 persons are to be seated in a round table, what is the probability that a certain boy and girl ...

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Q: |Q2. With respect to lottery scheduling, suppose we have 4 users Ali, Kashif, Junaid and Imran in a ...

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Q: 13. Let X equal the number of widgets that are defective when 3 widgets are randomly chosen and obse...

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Q: For two cdfs F(x) and G(x), F(x)G(x) is a cdf.

A: Solution

Q: n(A u B) = 25, A) n(An B} = 5, and n(A) = 20 x (5) y B) n(A U B) = 55, n(An B) = 15, and n(B) = 35 x...

A: Given that  Venn diagrams data . Here, n(A) = x  ; n(B) = y   We know that  Union of events  n(A∪B) ...

Q: A guy is gambling the dealer makes 21. The cards showing on the table are: 10 & 9, 8 & 9, Q & 5, and...

A: just  rewriting the above and then continue.....      

Q: A bag contains 3 yellow and 5 black balls. If 2 balls are drawn in succession without replacement, f...

A:

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: 5 Estimates for the proportion of people who have COVID-19 in a given community vary over time and f...

A: Givenp=0.04n=20Let "x" be the no.of people is infected x~Binomial(n=20,p=0.04)P(X=x)=(nx)×px×(1-p)n-...

Q: 2 You are going to play a game. In this game, you shuffle the deck, draw one card and then OLt the c...

A:   Given problem Given that   You are going to play a game. In this game, you shuffle the deck, draw ...

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: An urn contains 7 white and 3 red balls. Two balls are drawn together at random from the urn. Find t...

A: GivenAn urn contains No.of white balls = 7No.of red balls = 3Total no.of balls = 10

Q: 2. Three coins are tossed, what is the probability of each of the following events? a) Three tails s...

A: