If a random variable X is defined such that: E(X+4) = 10 and E[(X +4)²] = 114. Then the values of u and o? are: %3D %3D µ = 6 and o² = 12 %3D O The above None of the other options u = 6 and o² = 16 µ = 6 and o? = 14 %3D %3D

Q: that a. the sum of the two numbers will be greater than 5? b. the product of the numbers will be…

A: here given two sets  {1,2,3} and {3,4,5}

Q: Given the preference votes of 30 voters, determine who will win by the different methods listed…

A:

Q: If a random variable X is defined such that: E(X +4) = 10 and E[(X +4)] = 112. Then the values of u…

A:

Q: Given a standardized normal distribution, what is the value of Z if only 12.1% of all possible Z…

A:

Q: Arei An adventurer decided to go on a dungeon raid and in order for him to do that, he has to form…

A:

Q: 2. The average American spends 4.4 hours per day watching television. Suppose the standard deviation…

A: Introduction: Denote X as the amount of time spent per day by a randomly selected person of Country…

Q: In the instant lottery with 30% winning tickets, if X is equal to the number of winning tickets…

A: Given : Probability,p = 0.30 number of trial,n = 8

Q: The Internal auditing staff of a local manufacturing company performs a sample audit each quarter to…

A:

Q: c)  a customer buys three packages and all are corrupt d)  a customer buys three packages and two…

A: A computer store has 15 copies of a software package.  Unknown to the store, 3 of the packages have…

Q: The distribution of retirement age for NFL players is normally distributed with a mean of 33 years…

A:

Q: Example 10.7 In a certain locality, the average rent paid by all tenants amounts to Rs 1.500 pm with…

A:

Q: My home uses two light bulbs. On average, a light bulb lasts for 150 days (exponentially…

A:

Q: Five people are in an endurance race. Suppose you randomly pick and bet on two of them. What is the…

A: Given information: Number of people in the endurance race = 5 Number of people picked = 2

Q: O T O Statistics and Probability 11. Let 1.2.... be a sequence of iid zero-mean random variables.…

A:

Q: A manufacturer of cereal finds that the masses of cereal in the company’s 200-g packages are…

A: GivenMean(μ)=200standard deviation(σ)=16.3

Q: Question Ifa random variable X is defined such that: E(X + 4) = 10 and E[(X + 4) = 114. Then the…

A:

Q: The

A:

Q: calculator is programmed to generate random whole numbers between 1 and 15 inclusive. If one number…

A: Solution

Q: Test scores for a given class are normally distributed with a mean of 80 and standard deviation 14.…

A: Let X denote the test scores. Given that X follows N(mean = 80, SD = 14), then  Z = (X - mean)/SD…

Q: 3. How many 4- digit numbers can be formed from the digits 0, 1, 2, 3, 4, 5, 6, 7 it: a) no…

A: Given many 4-digit numbers can be formed from the digits 0, 1, 2, 3, 4, 5, 6, 7

Q: In 2017, a labor union in City A listed the 5 categories of most importance to their members. In…

A: The categorical variable has 5 categories. We have to test whether the distribution still holds true…

Q: Chloe's z score for her test was z = 0.1. Her actual test score was x = 80.71. The class mean was =…

A: GivenChloe's z-score for test (z)=0.1Her score(x)=80.71Mean(x)=80.59

Q: Today, the waves are crashing onto the beach every 4.1 seconds. The times from when a person arrives…

A:

Q: Question Suppose we are interested in the relationship between an individual's beown hair and skin…

A: Let X and Y be two discrete random variables defined over the sample space S. Then the discrete…

Q: A test program for grade 10 can generate quadratic functions in a standard form y = where a, b, c…

A: Given : y = ax2 + bx + c  where, a = {-1,1,2}, b = {0,4}, c = {0, -1}

Q: The joint distribution of the random variable X and Y is given in the following table: 1 3 Y 1 1 1…

A:

Q: 15. A restaurant that specializes in ice cream has nine different toppings available to add to the…

A: Given: A restaurant that specializes in ice cream has nine different toppings available to add to…

Q: You have a theory: people who have a high income (X) are generally healthier (Y). You collect some…

A: A correlation is a relationship between two variables(dependent and independent variables).

Q: as a decimal correct to at least three decimal places.)

A: Given The store manager assures you that 16 of the 57 boxes on the shelf have the secret decoder…

Q: Jessica's plane and Kayla's plane take off at the same time Lauren's plane leaves 1 hour earlier…

A: Given problem Given that   Jessica's plane and Kayla's plane take off at the same time. Lauren's…

Q: Part IV. Interpreting Decision Instruction. Determine whether the claim represents the null…

A:

Q: 1) What is the probability that the demand in a day will exceed 125? 2) What is the probability that…

A: here given  mean  = 100  standard deviation  = 15  here x=  demand of vaccine

Q: Continuous Distributions - Data Management The life span of a particular species of turtle is…

A: Let X be the life span of a particular species of turtle is normally distributed with a mean of 90…

Q: juniors. a) You pick three students at random, one at a time. What is the probability that all three…

A: here given there are total 30 students in class  10 freshman ,12 sophomore and 8 juniors…

Q: Suppose that a friend of yours says that they were reading about confidence intervals and ask you…

A: Here's, x-bar and mu, first of all x-bar is the sample mean and mu is the population mean. We use…

Q: A card is drawn from a deck of 52 cards. If the suit of the card is a heart or a spade, a fair coin…

A: There are four suits in a deck of cards and each of these suits contain 13 cards. So, if a single…

Q: Suppose that in a simplified model with proportional taxation consumer’s utility is represented by a…

A:

Q: Consider this Preference Voting Table from 50 voters and 4 candidates Rank/ Number of 19 14 10 votes…

A: Given, the Preference Voting Table from 50 voters and 4 candidates,  if 1st place gets 4 points, 2nd…

Q: Based on historical data, your manager believes that 31% of the company's orders come from first…

A: From the provided information, 31% of the company’s order come from first time customers, that is p…

Q: a) there are no restrictions on the order they line up? b) the shortest boy stands at one end?

A: here given  , there are total 6 boys and 7 girls ,line up to have their photograph taken , total…

Q: were recorded by the driver. 24 19 21 27 20 18 13 23 30 10 18 23 15 19 28 10 11 12 13 14

A: Using the equation 2k≥n           where n is the number of observation which is 40…

Q: 4. A random selection of a committee of 6 persons is made from a group of 10 men and 12 women. a) If…

A: Given that, a random selection of a committee of 6 persons is made from a group of 10 men and 12…

Q: 2. Properties of the Conditional Probability Theorem: Let (N, »' , P) be a probability space. If Be…

A: The probability of an event A given B is P(A|B)=P(A∩B)P(B). The probability of P(∅|B) is to be found…

Q: Suppose that a student collects sample data on how long (in minutes) it takes students to be helped…

A: Here's, mean is 7.6 and margin of error is 1.6. And confidence interval is ( 6.0, 9.2 ).

Q: Cxaliple 10.19 The standard deviation of a certain population is about 5 units. How large a simple…

A:

Q: Five people are in an endurance race. Suppose you randomly pick and bet on two of them. What is the…

A: There are total five people, n= 5  Probability of selecting the person who placed first is P(1st)=…

Q: The results of a certain medical test are normally distributed with a mean of 123 and a standard…

A: Given that mean =123 , s,d =17

Q: Binomial Probability Review Practice 1. Allie plays on the varsity basketball team and makes 79% of…

A: The probability mass function (PMF) of the binomial distribution is given by               P(X=x) =…

Q: Instruction. Determine whether the hypothesis test is left-tailed, right-tailed, or two-tailed.…

A: 1. A health report claims that 87% of lung cancer deaths are due to tobacco use.   Answer: The test…

Q: Can someone show the steps on how to find the question 1 in

A: 1. Null Hypothesis: H0: There is no significant difference in the mean of torque force for log…