The marks obtain by 9 students in a test are 25,20,15,45,18, 7, 16, 28, and 12. Find Q1, Q2, Q3 and IQR.

Q: A professor gives a multiple choice exam where each question has five choices. The professor decides…

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Q: Let X- N (8, 64), Find P ( 8< X< 16).

A: Standard normal distribution: The standard normal distribution is a special case of normal…

Q: A pencil case has 400 colored markers: 200 blue, 120 red, 50 green, and 30 yellow. What is the least…

A: Given problem Given that   A pencil case has 400 colored markers . 200 blue 120 red 50 green 30…

Q: A researcher is given a sample with variables (x,y) where x represents the number of points a player…

A: A researcher is given a sample with variables (x,y) where x represents the number of points a player…

Q: A teacher gives a multiple-choice quiz that has 3 questions, each with four possible answers: a, b,…

A: Given that a multiple-choice quiz that has 3 questions, each with four possible answers: a, b, c, d.…

Q: How many words start and end with the same letter are written by replacing the letters of the word…

A: There are total 5 letter in the word " sarar". In which, the letters a and r have occurred twice.…

Q: Find the pattern and write its expression. 1. 12, 15, 18, 21,24,… 2. 45, 40, 35, 30, 25, … 3. 1, 8,…

A: Answer (1): We’ll answer the first three subparts of this question since the exact three weren’t…

Q: X~N (50,4), find P(x<55)

A: Given: X~ N(50, 4)

Q: 6) Out of 21 applicants, how many ways can we choose 7 to interview? 7) Out of the 7 interviewees,…

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Q: A student must answer 7 of the 10 questions that are on a exam. How many ways can the student select…

A: Given that  A student must answer 7 of the 10 questions that are on a exam. To find How many ways…

Q: Let ā = (2, 3, – 2) and b = (4, 2, – 2). - Find a · 6.

A: The dot product of two vectors is calculated as follows: a→·b→=xi^+yj^+zk^·ai^+bj^+ck^=ax+by+cz

Q: A student must answer 3 out of 5 essay questions on a test. In how many different ways can the…

A: A student must answer 3 out of 5 essay questions on a test. In how many different ways can the…

Q: determine whether −→AB is equivalent to −→P Q.A = (1, 4, 1) B = (−2, 2, 0)P = (2, 5, 7) Q = (−3, 2,…

A: Consider: A=1,4,1; B=-2,2,0; P=2,5,7 and Q=-3,2,1. Determine whether: AB→=PQ→.   If X=a1,b1,c1 and…

Q: A professor has 180 students in her classes at the beginning of the semester, but 18 students…

A: At the beginning of the semester the professor has 180 students in her classes. But 18 students…

Q: If 2.P(5,3) =p(n,4),find n

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Q: Which of the sets below are equal to {1,3,5,7,9}? You may need to select more than one box.…

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Q: If the mean of 4 numbers 2,6,7 and a is 15 and also the mean of 5 numbers 6,18,1,a,b is 50 then what…

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Q: What is the mode of the set of numbers; 2, 2, 8, 20, 3

A: It is given that the Set is defined as {2, 2, 8, 20, 33}. We know that the Mode is the value of the…

Q: -1, 2, 7, 14, .. Find a,

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Q: The "Pick 3" at horse racetracks requires that a person select the winning horse for three…

A: Given information: The first race has 12 entries, the second race has 7 entries and the third race…

Q: In a class of 35 students. 17 have taken mathematics, eight have taken mathematics but not…

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Q: A survey was given to 247 people asking whether people like dogs and/or cats. 148 said they like…

A: Given information 148 like dogs 132 like cats 56 don’t like cats or dogs  Venn Diagram

Q: If |ū| = 4, |v|=5, |ū-v=6, determine |ū+ v.

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Q: avi got 18 out of 20 and Karla got 85% on the same test which one is greate

A: To determine which of the following is greater. Ravi got 18 out of 20 Karla got 85%

Q: If the mean of 3, 3, 9, x, 8 is 6, Find the value of x.

A: Given numbers 3,3,9,x,8. The mean of the given numbers is 6.

Q: If A={2,4,6,8,10,12,14} and B={1,3,6,9,12,15,18,21}. Find A∪B.

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Q: A child wants to pick 5 balloons from a set of 6 blue and 5 red balloons. Number of ways for picking…

A: Number of blue balloons = 6 Number of red balloons = 5

Q: R = {(-4,3), (–3, – 1), (-4, – 5), (–1, 4)}| donti in

A: Given, R {(-4,3),(-3,-1),(-4,-5),(-1,-4)}

Q: Suppose there are 200 students in a class. How many ways to select 30, 31 or 32 students from the…

A: There are 200 students in a class.

Q: Is {3, 3, 5, 6} E P({1,2,3, 4, 5, 6})? Answer YES or NO.

A: Is { 3,3,5,6} belongs to the power set of {1,2,3,4,5,6}

Q: 1) There are 6 multiple choice questions on an examination paper. How many ways can a student answer…

A: Given :  There are 6 multiple choice questions on an examination and if there are first 3 questions…

Q: Suppose à = (2,– 2,1) and b = (-3,–1,4). Which of the following is à x b? Select one: (7, 11, 8)…

A: We have to find cross product

Q: A box Contains ten cards labeled Q.R,S,T,U,V, W,X, one Card will be randomly Chosen. what is the…

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Q: Determine whether the statement, 'The number of ways to pick a winner and first runner-up in a…

A: Given: 'The number of ways to pick a winner and first runner - up in a talent contest with  20…

Q: of 10 students in a mathematics course is 114. If 9 of the students have IQs of 101, 125, 118, 128,…

A: Given, Number of students= 10 Average IQ of 10 students= 114

Q: select all the expressions that are equivalent to 8/12   choice answers:   8 times 1/12    2…

A: We have to find the option

Q: Assume that a multiple choice test has 14 questions, each with 3 choices for the answer. An answer…

A: Given: Number of questions = 14 Number of choices = 3

Q: How many committees consisting of 1 boy and 1 girl can be selected from a group of 3 boys and 2…

A: There are several powerful methods for counting objects and sets of objects without actually having…

Q: Without looking, Taj picked a marble from the bag. Which color is Taj most likely to pick? A black,…

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Q: Find the euation O $ Hhe cirele paring thonyh 'the painte (-2, 3 ), (-s, 6), and ,2)

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Q: ) The list shows the number bottles oF of strawberry jam sold in a day by 14 dipferent vendors : 19,…

A: Given data is 19,16,10,12,15,13,9,11,17,15,18,20

Q: What is 20% of the least common multiple of 30, 24 and 45?

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Q: b (x, n, 1-p) =

A: The expression is b(x, n, 1-p).

Q: Determine the mode of the set of values: 8, 13, 20, 9, 13, 15, 8, 12, 13, 10, 16 and 11.

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Q: A survey of 200 families showed that 50 used Brand A soap, 110 used Brand B soap and 40 used both…

A: 4th option is correct

Q: A circle of friends consist of 10 individuals. 3 of them likes chocolate, 2 likes strawberry and 5…

A: Number of total friends are 10. Number of friend like chocolate is 3. Number of friend like…

Q: Find the pattern and write its expression. 1. 1, 8, 27, 64, 125... 2. 4, 8, 12, 16... 3. 1/2 ,1,…

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Q: Suppose there are 4 people in a race, including Patrick and D´ıdac. We record the ranking of each…

A: If Didac finish last then the rest 3 participants will get the first 3 ranks.

Q: Divide 32 into four parts which are in A. P. Such that the product of extremes is to the product of…

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Q: Decide whether the statement is true or false.{4, 8, 12, 16} ∩ {4, 12} = {4, 8, 12, 16}

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