Find the expected value of each probability mass function below. P(x) 0.20 0.30 0.32 0.18 Select one: 1.48 O 2.48 3.48 0.48

Q: 2. Find the Sum of the following terms -36, -28,-20,-12,...236

A:

Q: Given: (1) If A is white, then B is red.(2) B is not red. Which of the following must be true?a. B…

A: Given, (1) If A is white, then B is red.(2) B is not red.

Q: 108 first-year and senior students were asked if they had used cannibis in the past six months. The…

A:

Q: In how many different ways could the medals be awarded such that Arthur does not receive a medal?

A: Solution: Total number of athletes participated to marathon = 100 Arthur is one of the participated…

Q: How many terms are there in the G.P. 3, 6, 12, 24, .... 384. '

A:

Q: This weekend you decided to go to Nutter's Ice Cream Shop in Sharpsburg, MD. (If you haven't heard…

A: a) Since there are 24 different flavors of ice cream and you can choose the same flavor more than…

Q: In a class, there are 6 boys and 5 girls. How many ways can we form a committee / group / team of 6…

A: The number of boys and girls in the class are 6 and 5 respectively. The committee must be formed…

Q: The value of B is ans. 21 TO

A: Find the value

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A: We have given that  Laura’s soccer team played a good season, finishing with 12 wins, four losses,…

Q: Car insurance covers damage caused by accidents or other mishaps. Which of the following situations…

A: The objective of this question is to identify which of the given situations would be covered by…

Q: Answer the following question with proof or counterexamples or explanations. Is it possible to have…

A: We have to determine is it possible to have 50 coins, made up of pennies, dimes, and quarters, that…

Q: Evaluate the expressions 15! a.) 6! x 5! b.) P(8,4) = %3D c.) C(12,7) = ||

A:

Q: Evaluate. 7! 21 5! 7! 2! 5!

A: n! = n(n-1)(n-2)(n-3)...4.3.2.1 n! = n(n-1)!

Q: The research group asked the following question of individuals who earned in excess of​ $100,000 per…

A: use Excel function =NORMSINV(α/2)

Q: If P(A)=0.4, P (BA)=0.35, P (AUB) = 0.69, then P(B) 0.14 0.43 0.75 O 0.59

A: Given that  P(A)=0.4  , P(B|A)=0.35 and P(A U B)=0.69

Q: 3" Lu- 5n)" n=1

A:

Q: Thus, the conclusion of the test at  .... whats the next word ? Is that 5f ?

A: No there is not a 5f . there is significance level that is 5% (α=5%=0.05)

Q: On the new game show, "Who Wants to Be a Game Show Host?", 6 of the 18 contestants are from Ontario.…

A: 6 of the 18 contestants are from Ontario. Five contestants are to be selected to go on to the…

Q: 1. Evaluate the following. (a) Im() 314 (b) Im 1+2i

A: Multipart :   (a) We need to find ,  Im1 - 2i3i + 1 Let ,  z = 1 -2i 1 + 3i Rationalising the same ,…

Q: Ifn(A)=5,n(B)=11and? ?∩? =3,whatis? ?∪? ?

A:

Q: x² +x-2 The expression x² +3x-4

A: Given,            x2+x-2x2+3x-4

Q: For how many n ∈ {1, 2, 3, …, 1000} is n a multiple of one or more of 5, 6, or 7?

A:

Q: How many different words consisting of 13 letters can be written such that exactly 4 of the letters…

A: Total Letter=13=4(A)+4(B)+5(C) Then number ways = ?

Q: [G] Students (including yourself) from 5 area colleges are at a math conference (there are more than…

A: There are 5 colleges and I want to meet at least 8 from the same college.  Let us think of a case…

Q: P6 equal to 11! 6! a. b. C. d. 11! (11-6)!6! 11! 6! 11! (11-6)!

A: We have to find permutation.

Q: In a murder trial in Los Angeles, the prosecution claims that the defendant was cut on the left…

A: For none of the persons to have noticed the cut, we need the following sequence of events:Event #1…

Q: If P(A) = 0.80, P(A or B) = 0.70, and P(A and B) = 0.60, then P(B) O a. 0.10 O b. 0.50 OC. 0.26…

A:

Q: Suppose we want to choose  3  letters, without replacement, from the  4  letters A, B, C, and…

A: The objective of this question is to find out the number of ways to choose 3 letters from 4 distinct…

Q: A. Let A = {-2,-1,0, 1, 2}, B = {1, 2,5}, C = {n² ER:n € A}. For items (1)-(4), write TRUE if the…

A: A.  The set is A={-2,-1,0,1,2},B={1,2,5},C={n2∈ℝ:n∈A}.

Q: AMong the seven nominees for two VaGancies on the city council are three Men and four women. In how…

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Q: How many different arrangement could be made with the letters M  P   M   C   P  M a. 6!/(3! 2!)…

A: The letters are given by      M  P   M   C   P  M M = 3 P  =2 C = 1

Q: A standard deck of cards consists of 52 distinct cards. • How many 13 card hands are possible.

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: Given P(A) = 0.30, P(B) = 0.46 , and P(A and B) = 0.31 is P(AorB) ?

A: Given that, P(A)= 0.30 and P(B)=0.46 PA and B=PA∩B=0.31 From the probability theory, PA or B=PA∪B…

Q: A survey asked 816 college freshmen whether they had been to a movie or eaten in a restaurant during…

A: Let, A = set of freshmen who had been to a restaurant      B = set of freshmen who had been to a…

Q: In a survey of 400 members of a local sports club, 200 members indicated that they plan to attend…

A: As per bartleby guidelines only first three subparts are to be solved. Please upload other parts…

Q: If P(A) = 0.76, P(A ∪ B) = 0.91, and P(A ∩ B) = 0.54, then P(B) = _____.   a. 0.69     b. 0.15…

A: We have given that  P(A) = 0.76, P(A ∪ B) = 0.91, and P(A ∩ B) = 0.54