Find the expected value of the random variable. 3 0.3 X P(x) 2 0.2 What is the expected value? 4 5 0.4 0.1 (Type an integer or a decimal.)

Q: Find the expected value of the random variable. 2 P(x) 0.20 X 3 4 5 0.45 0.10 0.25

A:

Q: e expected value of this random variable is 7.9, mplete the table. Show your work. P(x) 10 0.5

A: In this question, the expected value is given. Unknown entries are to be determined.

Q: Is the random variable given in the accompanying table discrete or continuous? Explain. GE The…

A:

Q: Probability Scores 0 1 0.05 0.2 0.25 0.15 0.05 0.1 0.2 68 8 12 13 14 Find the expected value of the…

A: Expected value(E(X))=∑X.P(X)

Q: Part 1 of 3 Part: 1/3 P(x) 0.06 0.13 0.45 0.21 0.15 (a) Find the probability that a student…

A: X01234P(X=x)0.060.130.450.210.15

Q: Probability Scores 0.05 2 0.15 3 0.05 4 0.15 5 0.05 9 0.35 10 0.2 13 Find the expected value of the…

A: Given: The provided data is: Scores Probability 2 0.05 3 0.15 4 0.05 5 0.15 9 0.05 10…

Q: Probability Scores 0.05 0.35 0.05 3 0.35 11 0.2 12 Find the expected value of the above random…

A: x P(x) 0 0.05 2 0.35 3 0.05 11 0.35 12 0.20

Q: Consistency on finishing HW is something Mr. Potter’s students have struggled with all year.…

A: From the given information we know, n=8  p=0.38 q=1-p=1-0.38=0.62 Mean of binomial random variable…

Q: You rarely win in chess against your friend. The probability that you win any one game, independent…

A: According to the provided information, n=50 p=0.04 Condition for normal approximation, np≥10, and…

Q: Probability Scores 0.2 2 0.3 4 0.15 5 0.15 9 0.2 14 Find the expected value of the above random…

A: Probability, P(x) Scores (x) 0.2 2 0.3 4 0.15 5 0.15 9 0.2 14

Q: Find the expected value for the random variable. 6 8 10 12 P(y) 0.4 0.4 0.08 0.12 V 7.84 9 07.76…

A: The given random variable, y 6 8 10 12 P(y) 0.4 0.4 0.08 0.12 We have to find the expected…

Q: a. P(Z -1.76). P(Z > 2.42). b. C.

A: We will use Standard Normal table to find the required probabilities. Note : According to our…

Q: Use the probability distribution for the random variable x to answer the question. 2 3 4 p(x) 0.12…

A:

Q: Probability Scores 0.25 0 0.01 1 0.16 2 0.01 6 0.06 8 0.06 11 0.45 12 Find the expected value of the…

A: scores : xprobability : P(x)00.2510.0120.1660.0180.06110.06120.45FInd expected value of the random…

Q: n= 658 i Determine the expected count for each outcome. 1 2 3 4 Pi 0.11 0.33 0.24 0.32 ... The…

A: Solution-; Given: n=658 We have following table: i 1 2 3 4 pi 0.11 0.33 0.24 0.32 We find…

Q: A random variable, y, has a known probability distribution given by :y=2, 4, 6,8,10 and P : 0.1…

A: Given information: Y 2 4 6 8 10 P(Y) 0.17 0.23 0.2 0.3 0.1 Formula:

Q: A variable X has the probability distribution shown in the table below. 6 8 7k 5k 3 k Given that X…

A: As per our company guidelines we are supposed to answer only first three subparts . kindly repost…

Q: nd the expected value for the random variable. Z P(z) 9 12 15 18 0.15 0.21 0.38 0.17 (z)=(Type an…

A: Given that  Probability distribution table is.  z 9 12 15 18 21 P(z) 0.15 0.21 0.38 0.17 0.09

Q: ege, Pennsylvania, ranks first with 71.1% of its population made up of coll na random sample of 130…

A: Given. 71.1% of cities and towns population made up of a college student. We are asked to find the…

Q: In a certain manufacturing plant, 6% of the finished product are defective. Solve for the…

A:

Q: A random variable, y, has a known probability distribution given by :y=2, 4, 6,8,10 and P: 0.17,…

A: y P(y) 2 0.17 4 0.23 6 0.2 8 0.3 10 0.1

Q: Probability Scores 0.15 2 0.25 3 0.05 4 0.05 5 0.25 6 0.25 10 Find the expected value of the above…

A: Given, Probability  Scores 0.15 2 0.25 3 0.05 4 0.05 5 0.25 6 0.25 10 Random…

Q: Probability Scores 0.1 0 0.1 1 0.2 3 0.2 5 0.1 6 0.15 7 0.15 10 Find the expected value of the…

A: The expected value is written as E(X). The scores are the xi values. And the probabilities are the…

Q: 4. Let Z be the standard normal random variable. Find (a) P(Z .3) (c) P(Z <.3)

A: 4) Given Z is a standard normal random variable.We need to find,(a) P(Z &lt; -.3)(b) P(Z &gt; .3)(c)…

Q: Probability Scores 0.25 2 0.15 3 0.08 5 0.1 7 0.12 8 0.3 12 Find the expected value of the above…

A: It is given that the probability scores of a random variable.

Q: The probability distribution below is for the random variable X the number of credits taken by a…

A: The given probability distribution is:

Q: Exercise 9: The random variable X has a binomial distribution with n = 10 and p = 0.5. Determine the…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub- parts for…

Q: Probability Scores 3 0.15 0.05 0.1 0.05 0.45 0.2 5 6 7 10 11 Find the expected value of the above…

A: Let X denote a scoresThe scores with probability are given as…

Q: What is the probability of x bar = 0? What is the probability of x bar = 1? %3D What is the…

A:

Q: Find the expected value of the random variable. x 2 3 4 5 P(x) 0.2 0.4 0.2 0.2 What is the expected…

A: The expected value of the discrete random variable (x) is calculated using the below formula…

Q: Suppose that a box contains 8 cameras and that 5 of them are defective. A sample of 2 cameras is…

A: Answer:- Given, a box contains 8 cameras and 5 of them are defective.                A sample of 2…

Q: Given W and Y are two events of an experiment with P(W) 0.31, P(Y) 0.42, and P(WUY)-0.67, calculate…

A: We have given W and Y are two events an experiment with PW=0.31,PY=0.42,PW∪Y=0.67

Q: Probability 0.07 Scores 0.24 0.33 10 380 0.22 11 0.14 12 Find the expected value of the above random…

A: Let X be the score.Given the score with probability as…

Q: A random variable X maps the outcome of a pair of dice to real numbers with the rule ∣X(a,b)=∣a−b∣,…

A: Xa,b=a-b, Ya,b=a-b

Q: Probability Scores 0.15 0.3 0.35 8 0.15 10 0.05 11 O 5

A: we need to find the expected value of the random variable