Solve the following: 1.) In a mathematics seminar, 15 students are in grade 7, 10 are in grade 8, 20 are in grade 9 ans 30 are in grade 10. If a student will be chosen at random,what is the probability of selecting a grade 10 student?

Q: A board game gives you 3 colors to choose from: blae, red, and white. To start the game, your…

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Q: A tourist in France wants probability that she will vi

A: We have given a tourist in France wants to visit 7 different cities We have to find the probability…

Q: 1) Out of 55 students, 24 are taking Physics and 21 are taking Chemistry and 12 students are in both…

A: We have to find given probability.

Q: 4) The table below shows data on a sample of 900 high school students from the Bay Area. Students…

A: Solution: e) Given information  Total high school students = 900 The total students of neither…

Q: There are 3 Chevrolets and 4 Fords in the company motor pool. Two cars are selected at random and…

A: No. of Chevrolets in the company motorpool = 3No. of Fords in the company motorpool = 4Total no. of…

Q: What is the probability of selecting at least one yellow ball? What is the probability of selecting…

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Q: In the New Jersey Pick 4 lottery a player can buy a $0.50 ”Straight” ticket by choosing four digits…

A:

Q: what is the probability the he or she will answer correctly (a) at least 6 problems?

A:

Q: A school newspaper reporter decides to randomly survey 17 students to see if they will attend Tet…

A: Given data,n = 17p = 18% = 0.18a) Expected no.of students is= n x p= 17 x 0.18= 3.06≈3 students

Q: 16. The probability that a person owns a car is 0.85, that a person owns a laptop is 0.45, and that…

A: Let ,L=a person own a laptopC=a person own a carP(L)=0.45P(C)=0.85P(C∩L)=0.35

Q: 5) There are 19 boys and 13 girls in a Chemistry class. The teacher is randomly assigning students…

A: The provided information are: Number of boys = 19 Number of girls = 13 Total number of students =…

Q: The probability of drawing a winner name of a sophomore student fromthe participating group is 0.35,…

A: Disjoint events:Disjoint events are also known as mutually exclusive events. Any two events are said…

Q: Two neoprene gaskets are selected from a big lot. The probability of obtaining 1 nonconforming unit…

A: Two neoprene gaskets are selected from a big lot.

Q: There are 8 balls in a box: 3 red balls, numbered 1 through 3, and 5 green balls, numbered 1 through…

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Q: 6). The staff at a small company includes: engineers, and 2 executives. If a person is will be a…

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Q: 5) People were asked if they prefer Pepsi or Coke. The results are in the table below. Female Male…

A: ( a ) P( both prefer Pepsi) = ? ( b ) P( Female or Coke ) = ?

Q: Out of 100 students, 65 go to school by bus, 15 walk to school and the remaining 20 go to school by…

A: There are totally 100 students in which 65 go to school by bus, 15 walk to school and the remaining…

Q: 10. The table shows the survey in which 1010 college students were asked two questions: 1) if they…

A: Note: Hi there! Thank you for posting the question. As there are multiple sub-parts, according to…

Q: 15.) A lot of 100 nylon connector contains 10 that are defective. Two are selected at random without…

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Q: 17) A shipment of twelve smartphones contains seven with cracked screens. If 18) A small pond…

A: Given that, 17. A shipment of twelve smartphones contains seven with cracked screens. If sold in a…

Q: 2 Find the indicated probability. 7) 100 employees of a com part time. The figure b- find the…

A: From the given data: n( Car pools)=6+8=14 n( Car pool and Full time)=6 n( full time)=8+3+27+6=44…

Q: Nine stranger are put in a room. There is 50% probability that any two random people in the room…

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Q: If you draw one card at random from a deck of 12 cards numbered 1 through 12, inclusive, what is the…

A: Given, If you draw one card at random from a deck of 12 cards numbered 1 through 12,inclusive. The…

Q: a hotel has 22 king-size beds, 29 queen-size beds, 36 double beds, and 30 twin beds, what is the…

A: Given that  The hotel has  King size beds = 22 Queen size beds = 29 Double beds = 36 Twin beds = 30…

Q: There are 30 blue phones and 50 red phones in a store. An employee chose 10 phones at random. Find…

A: It is given that the store has 30 blue and 50 red phones.In this case, each of the 10 randomly…

Q: ) Find the probability that the student did receives the message.  ii) Given that the student did…

A: Solution

Q: A person receives on average 3 e-mails per hour. a) What is the probability that he will receive 4…

A: GivenOn average 3 emails per hourλ=3Let "x" be the no.of e-mails in an…

Q: 3 mangoes and 3 apples are in a box. At dom, suppose 2 fruits are chosen, then find the bability…

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Q: 14) Nine blue marbles, six red marbles, three green marbles, and two yellow marbles are replaced in…

A:

Q: A bag contains 6black marbles, 7red marbles, 4yellow marbles. If one marble is drawn from the bag…

A: Hello! As you have posted 3 different questions, we are answering the first question. In case you…

Q: In an urn there are 17 red and 11 white balls. We choose 9 balls without replacement. What is the…

A: Given in a urnNo.of red balls=17No.of white balls=11Total no.of balls=28

Q: a) Suppose three people are in a room. What is the probability that there is at least one shared…

A: Here AS PER GUIDELINES I HAVE CALCULATED FIRST MAIN QUESTION  HERE use basic Probability Rule…

Q: small convenience store has on average 30 customers per hour. a) Find the probability that in a 10…

A: Given: Average number of customers per hour or 60 minutes = 30 a) Rate of customers per 10 minutes =…

Q: If 10 people choose, at random, a letter from the English alphabet of 26 letters, what is the…

A: We find the probability that each of the 10 people chooses a different letter from the English…

Q: the four boxes numbered 1,2,3 and 4. Box-1 2000 balls, 5% white Box-2 500 balls, 40% white Box-3 and…

A: We have given that, Box 1:  2000 balls ,5% white Box2: 500 balls ,40% white Box3,Box4, 1000 balls…

Q: 1) A jar contains 7 red marbles, 2 green marbles, and 9 blue marbles? a) What is the probability of…

A: We have to find the probability in the given question.

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.