You take an exam that contains 20 multiple-choice questions. Each question has 4 possible options. You know the answer to 10 questions, but you have no idea about the other 10 questions so you choose answers randomly. Your score X on the exam is the total number of correct answers. Find the PMF of X. What is P(X > 15)?

Q: A polling agency reported that 66 percent of adults living in the United States were satisfied with…

A: The objective of the question is to correctly interpret the meaning of a 95% confidence interval in…

Q: An article reported exposure to tobacco and alcohol use in all G-rated animated films released…

A: Given data: Studio #1: 224, 178, 523, 34, 153, 52, 297, 31, 13, 169, 77, 91, 4, 27, 209, 5. Other…

Q: Given P(A) = 0.7 and P(B) = 0.8. If P(A/B) = 0.3 find P(A and B).

A: Given that  P(A)=0.7 , P(B)=0.8 P(A/B)=0.3

Q: 40. What is the value of EX? for the scores: -2, -1, 0, 1, 2?

A: Given that  The data -2,-1,0,1,2 Find the value of ∑X2

Q: you scored 88,92,and 87 on three tests.Write and solve an equation to find the score you need on the…

A:

Q: For a T distribution, (a) Find P(T 1.318) when v = 24. (c) Find P(-1.356 -2567) when v= 17

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: Over the decades, it looked like hunting was becoming less and less popular, but due to covid a…

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Q: Television Set Ownership According to Nielsen Media Research, of all the U.S. households that owned…

A: Identify the claim.   The claim is stated below as follows:   From the information, given the…

Q: Find the value of x. A 6х + 1 26 B

A: Given: The figure as To determine: The value of x, Concept Used: (Mid Point Theorem) In a triangle…

Q: 9. In a simple regression, which would suggest a significant relationship between X and Y? A) Large…

A: In regression analysis, the slope (b) tells us the direction of the linear relationship between the…

Q: If P(A) = 0.7, P(B) =0.2, and A and B are mutually exclusive, find P (A or B). P(4 or B) = D

A:

Q: I found this question on the internet. Can this be calculated P(A|B) and P(Ac|Bc)? I am used to…

A: The objective of this question is to calculate the conditional probabilities P(A|B) and P(Ac|Bc)…

Q: Find the value ofx 6x 8. 14

A:

Q: Find  P4 . (b) Find  PMore than 2 .

A: The probability of correctly answering a question = 1/5 n = 7

Q: In a video game you can earn point for passing a level and also a bonus, which is a percentage of…

A: Tokens earned in each level = t  points earned for each level = 3000 + .25t

Q: If P(A) = 0.3, P(B) = 0.5, and P(A and B) = 0.2, find P(A or B). P(A or B) = Need Help? Read It

A:

Q: If P(A) = 0.5 and P(B) = 0.80, then P(A or B) must be 0.95.   TRUE or FALSE

A: From the provided information, P (A) = 0.5 and P (B) = 0.80

Q: Shouldn't it be n=39?

A: here College students were divided at random into three groups of 39 each

Q: In a shipment of 25 hard disks, six are defective. If five of the disks are selected at random, what…

A: GivenTotal No.of hard disks(N)=25No.of defective hard disks(M)=6No.of hard disk are selected(n)=5Let…

Q: why did you add .032 when you did not list it p(x=6)?

A: The probability distribution table of X provided in the question is as follows…

Q: Fexiy,Zy=Z+ 35ing X+2y -2 X+

A:

Q: The diagram represents the floor tiles in Michelle's house. If mZ 2 = 125, find mZ 4. 4 1/2

A: The above diagram shows they are transversal lines . By the property Alternate interior angles are…

Q: LaToya is auditioning ensemble cast members for her new production. She needs the dancers to jump as…

A: LaToya is auditioning ensemble cast members for her new production. She needs the dancers to jump as…

Q: 60% of x is 72

A: Solve the following

Q: 9x =-3x+ 1 %3D Round your answer to the nearest hundredth. If there is more than one solution,…

A:

Q: The lunch special at Alan's Restaurant is a sandwich and a drink. There are 2 sandwiches and 3…

A: The objective of this question is to find out the total number of possible lunch specials at Alan's…

Q: In Major League Baseball, the coefficient of determination(r2) of a player salary and total number…

A: Given: . Coeffient of determination,r2=0.28

Q: edx%3D 0. OP 8.

A: We have to find correct answer

Q: If P(An B) = 0.2 and P(B) = 0.8, what is P(A | B)?

A:

Q: V3

A: This is simply based on chord and tangent relationship

Q: P=6 and q=7 what is the value of 2pq

A: answer is in next step

Q: a.In CSE230, there were 2 assignments this semester. The probability that you would get above…

A: Since you have asked multiple questions, we will solve the first question to be solved then please…

Q: pt.q".r3' p3.q2 = p?q$r7 %3D r-4 n3D

A: Using, xa * xb = xa+b and, xa/xb = xa-b

Q: Susan scored 82%, 75%, 77%, and 85% on the first four tests. What must she score on the fifth test…

A:

Q: Find the values of x: 3* + 4* = 5%

A: ∗Given:-         3x+4x=5x‐‐‐‐i∗To find:-         value of x=?

Q: c4x S Sa dydx. Evaluate

A: double integrals

Q: Given P(A) = 0.36, P(B) = 0.40 and P(A B) = 0.17. Find P(AUB).

A:

Q: Evaluate if x = 2 and y = -3. (x + 2) (y– 3) Answer = %3D

A:

Q: At a class, 80% are female and 40% of the students like swim. Of the students that like swim, 60%…

A:

Q: find the semester and cumulative GPA for each student, using the cahrt in the book.  Mike has a 2.9…

A: Given: The grade points of A , A- etc are as follows Grades points A 4 A- 3.67 B+ 3.33 B…

Q: the computer took the H0 and Ha as H0: p > - 0.82 (greater than or equal to) Ha: P < 0.82

A: We need to answer the reason behind, the computer taken the H0 and Ha as: H0: p ≥  0.82 (greater…

Q: P(E) 0.55, P(E or F)= 0.75, and P(E and F)= 0.05, find P(F) P(F)%= (Simplify your answer.) Enter…

A: As we know P( E or F) = p(E)+ p(F) - p( E and F)