Following BIVARIATE table shows data obtained from mean score of a group of statistics and probability students and their level of anxiety before an assessment. Level of Anxiety 1-5 6-10 10 total Score 1-3 1 7 8 Choose correct alternative(s). Show development of your obtained results I. The mean score of the students is 2.8. 4-6 4 0 4 7-9 2 0 2 total 7 7 14

Q: Solve the linear programming problem by the simplex method. Maximize P = x + 4y - 2z subject to 3x +…

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Q: Based on a survey, we assume that 59% of students have a pet. Suppose that there are 4 students…

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Q: A senior high student commutes daily from home to school. The average time for one way.. trip is 20…

A: Solution:  Let X be the time for one way trip from home to school.  It is given that X has normal…

Q: Accounting A research study in England(1) done by The Education Endowment Foundation (EEF) suggests…

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Q: A contingency table has 3 rows and 5 columns. THU What is the value of degrees of freedom? A. 12 B.…

A: Answer: From the given data, For a contingency table, Number of rows (r) = 3 Number of columns (c) =…

Q: A random variable (A) has a mean 55 and a standard deviation of 5. A random variable (B) has a mean…

A: given dataμA = 55σA = 5μB = 75σB = 10y = A+B,    μy = ?

Q: Three different design configurations are being considered for a particular component. There are…

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Q: 2. The joint pdf of random variable x and y is 1 fxy(x, y) = 1,0 ≤ x ≤ y,0 ≤ y ≤2 2' Find (a) the…

A: For independent, f(x,y) = f(x)*f(y)

Q: Could you rewrite this so the subscripts or superscripts and notation is more clear

A: Given that . We have to find P(SN=0)

Q: the class width for distribution, the midpoint of first class, and the number of workers who took…

A: Given data of the number of sick days taken by 200 factory workers: Number of days Frequency…

Q: In a certain municipality, 70% of all residents are at risk of heart disease.  If researchers…

A: Givenp=0.70sample size(n)=16Let "x" be the no.of residents who are at risk of heart…

Q: A pair of dice is rolled. Find the probability of rolling a) a sum not more than 5, b) a sum not…

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Q: Let A, B, and Cez. 1. Prove that if A CB then P[AUB]=P[B].

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Q: = O PROBABILITY Intersection and conditional probability Suppose that a certain college class…

A: total number of students = 62number of seniors = 37number of mathematics majors = 36number of…

Q: Consider the accompanying data on breaking load (kg/25 mm width) for various fabrics in both an…

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Q: The average price of a Google Chrome book is P21,100. Assuming that the prices approximately normal,…

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Q: David plays a game that involves tossing an unbiased coin. If the coin lands with head up, he wins…

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Q: The probability that a randomly selected 2-year-old male feral cat will live to be 3 years old is…

A: Given that, the probability that a randomly selected 2-year-old male feral cat will live to be 3…

Q: If the NGO's interest is to determine whether there are differences in the amount of plastic trash…

A: b. QQ plot for location 1: R syntax: From the above plot, it is clear that all the points are…

Q: Let P(A U B) = .8, and P(A) = .6. Find P(B) assuming A and B are independent! Then determine whether…

A: Given that  P(A U B) = 0.8 , P(Ac) = 0.6

Q: There is an 85% chance that a student will pass Engineering Data analysis subject. A random sample…

A: It is given that  Proportion, p = 85% = 0.85 Sample size, n = 120

Q: 3.8. Let A, B, and C be events relating to the experiment of rolling a pair of dice. a. If P(AC) >…

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Q: 1. Tell whether the given is a proposition (P) or not (NP). If it is a proposition, identify if it…

A: Let 3 and 7 are two odd numbers then the sum of these odd numbers is 3+7= 10 and the product of…

Q: tautology, contradiction or contingency. [(~pvq) (~qvr)] → (pr)

A: Using given statement , [ ( ~ p V q ) . ( ~ q V r ) ] →( p → r ) In this statement negation ,…

Q: Suppose that a certain college class contains 45 students. Of these, 20 are freshmen, 29 are…

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Q: One card is drawn from an ordinary a. A 10 or 9 b. A red card or an 8 c. A 10 or a red 3

A: Given that  There are 52 card in the deck in which they divided into two color i.e reds(26) and…

Q: 4.26. One of the numbers 1 through 10 is randomly chosen. You are to try to guess the number chosen…

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Q: Spacers are typically used in groups of four and tolerances require the total length of the 4…

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Q: P(A) =0.8 Let P(AC) = .2, P(A U B) = .95, and P(B|A) = .8. Find P(B) and then determine whether or…

A: Given P(Ac)=0.20, P(AUB)=0.95  P(B|A)=0.80

Q: Calculate the standard deviation of x and y, then the correlation(x,y)

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Q: a) There are no conditions. b) There must be exactly 3 women. There must be exactly 4 men.

A: HERE AS PER GUIDELINES I HAVE CALCULATED 3 SUBPARTS , PLZ REPOST FOR REMIANING PARTS WITH NOTE I…

Q: A card is drawn from a well-shuffled deck of 52 cards. Find the probability of drawing a diamond or…

A: From the provided information, Total cards in deck = 52 There are 4 suits (diamond, club, spade,…

Q: A spa owner classifies customers as well dressed, moderately dressed or poorly dressed, and find…

A: event  A : well dressed            B : moderately  dressed            C : poorly dressed…

Q: 9. A computer program is tested by 5 independent tests. If there is an error, these tests will…

A: We have given that 5 independent test Let us suppose that 5 test is given as  Probability of error…

Q: Assume that a procedure yields a binomial distribution with a trial repeated n = 6 times. Use either…

A: Givenn=6p=0.55x~Binomial(n=6,p=0.55)P(X=x)=(nx)×px×(1-p)n-x    ; x=0,1,..,n

Q: The lengths of tables sold at various furniture stores follow a normal distribution with u = 120 cm…

A: From the provided information, Mean (µ) = 120 Standard deviation (σ) = 15.6 X~N (120, 15.6)

Q: A foundation is holding a fund-raising campaign in a form of a raffle. A raffle ticket costs 120 php…

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Q: In horse racing, a trifecta is a race in which you must pick the first-, second-, and third-place…

A: to win a payoff , pick first, second and third place winners in their proper orders. if ten horses…

Q: what is a z-score of 80%?

A: 80% z score:  alpha=1-0.80           =0.2 alpha/2=0.2/2               =0.1  From standard normal…

Q: Problem #4: A maintenance firm has gathered the following information regarding the failure…

A: Given data is    Gas Leaks Evidence of  electrical failure   Yes No Total Yes 49 12 61…

Q: An experiment consists of determining the speed of automobiles on a highway by the use of radar…

A: Given that, An experiment consists of determining the speed of automobiles on a highway by the use…

Q: Use the basic probability principle to solve the following problem. Express each probability as a…

A: 12 sided die rolled.   S : { 1,2,3,4,5,6,7,8,9,10,11,12 }   p(roll 9 or 6 ) = ?

Q: Assume that adults have IQ scores that are normally distributed with a mean of 96.8 and a standard…

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Q: Suppose a basketball team had a season of games with the following characteristics: 60% of all the…

A: It is given that, 60% of all the games were at-home games.

Q: (f) H: λ 0.01, where is the parameter of an exponential distribution used to model component…

A: f) Solution: First we will understand what is hypothesis.

Q: in a sample of n-16 selected from a normal population, X-52 and S-8, how many degrees of freedom…

A: given data H0 : μ = 50sample size, n = 16sample mean ( x¯) = 52sample S.D. (s) = 8find df = ?  for t…

Q: The distribution of actual weights of 8-oz chocolate bars produced by a certain machine is normal…

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Q: 8. Suppose that colored balls are distributed in three indistinguishable boxes as follows: RED WHITE…

A: Given that    Box 1 Box 2 Box 3 Total Red 2 4 3 9 White  3 1 4 8 Blue  5 3 3 11 Total 10…