13. What is the sum of the probabilities of all values of the random variable? C. ΣΡ(Χ)-1 D. ΣΡ(Χ) -10 A. ΣΡ(Χ)-0 B. ΣΡ(Χ) - 1/10 14. If two socks drawn consecutively without replacement from a drawer containing 4 red socks and 5 green socks. If the value of the random variable X represents the number of green socks, what is the probability of getting two green socks? А. 1/2 %3D %3D С. 1/4

Q: Find the number of different ways that an instructor can choose 7 students from a class of 16…

A: No. of students in a class for field trip(n)=16No. of students that an instructor can choose(r)=7

Q: -p 5a If det p 9 = - 17 then det -9 56 5c

A:

Q: An element a in a ring R is called nilpotent if a" =0 for some positive integer n. The only…

A:

Q: 1+1=2. Select one: O True O False

A:

Q: What’s 2 to the 4th power

A: We have to find 2 to the 4th power. We know that for x2 we call it as x to the 2nd power for x3 we…

Q: Where does the 52 and 26 come from and why

A:

Q: Mr. and Mrs. Roger want to name their first baby so that its monogram, first, middle, and last name…

A: Combination: A combination is a way of selecting items from the given collection when the order of…

Q: Paul has 5 books to place on a shelf. How many possible arrangements of all 5 books are there?

A: given data 5 books to place on a shelf. no. of possible arrangements of all 5 books = ?

Q: Does the question want me to write out every single combination?

A: Does the question want me to write out every single combination?

Q: A laboratory blood test is 98% effective in detecting a type of disease when it is, in fact present.…

A: Solution Let the events are defined as                        E : Individual has disease      F :…

Q: Visa cards have 16 digits. The first digit is always 4 as in 4xxxxx – with the 2nd to 6th digits…

A: There are 10 digits including zero. The first number should be 4. It is given that the 2nd to 6th…

Q: Determine P(even and multiple of 3) from a list of numbers 1 through 30

A: It is given that  There is  list of numbers 1 through 30 i.e. S={1,2,3,....,30} i.e. n(S) =30 Let us…

Q: So which one should I choose?

A: I am going to solve the problem by using some simple calculus to get the required result of the…

Q: What is #5, #6, #7, #8 & #9

A: Note: According to Bartleby guidelines we can solve only 3 subparts.  If you want more answers then…

Q: 14 Li=2 =2 XiYi

A: From the provided information,

Q: The midrange of the following is 6, 3, 2,8, 4, 1 Select one: а. 4 O b. 4.5 с. 7 d. 3.5

A:

Q: A6. The following table shows the distribution of the total sales (£) of a random sample of 75…

A: Given: Sample size n = 75 Q1 114776 Mean 227903 SD 79857 Q3 374645

Q: Harry has to visit 10 cities. He can visit three in any one day, and the order in which he visits…

A: Combinations: The number of combinations of r items selected from n items is, nr=n!n-r!r! Harry has…

Q: Dianne has 3 different math books and 4 different geography books. Determine the number of ways all…

A:

Q: ario painted identification letters on his bicycles so that he could track which ones are being used…

A: Since every cycle is coded with three letters of English alphabets, which starts with alphabet M.…

Q: Find the number of different ways that an instructor can choose 7 students from a class of 12…

A: Here we have to find the number of different ways that an instructor can choose 7 students from a…

Q: How many ways can you arrange the letter from the words PLEASE?

A: How many ways can you arrange the letter from the words PLEASE?

Q: The manager of the winning soccer team chooses three of the 20 members to be interviewed by a sports…

A:

Q: Match these values of r with the accompanying scatterplots: 0.755, – 0.404, 0.993, - 0.755, and - 1.…

A: r: correlation coefficient. This determines the level of relationship between 2 variables. Its value…

Q: Find the number of different ways that an instructor can choose 5 students from a class of 13…

A:

Q: which woman is the thief

A: For woman,a motion light that was mounted on a wall shined down on her and cast a shadow that was…

Q: A teacher is creating a quiz.  There are 9 questions to choose from.  The teacher plans to select 3…

A:

Q: The members of Mrs. Grant’s class are given a number and standing in a circle; they are evenly…

A: