If E denotes the expectation (random variable X is denoted the variance of a as (E(X))^2 - E(X False a O True .b

Q: A random sample of 50 employees is chosen from a company. The average salary of the 50 employees is…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Generate the forecast values for the last two (2) quarters of year 6.

A: HERE given  trend equation Tt  = 7.961 + 0.03 t

Q: From an arsenal of 15 nuclear weapons, five are randomly selected for testing and fired. If the…

A:

Q: An engineering student who didn't study for his exam, just randomly guesses the correct answer. Each…

A:

Q: Q4: A group of 30 manufactured of concrete pipes contain 8 defective pipes and 22 non-defective…

A: here given ,  A sample of 5 pipes is selected from 30 pipes without replacement  so Here we can use…

Q: Is the number of games won by a major league baseball team in a season related to the team batting…

A: The following information has been given: x (Games won) y (Batting Average) 83 264 117 261…

Q: you have a biased coin that has a probability of 0.6 of coming up heads. Toss this coin 20 times.…

A: The coin is biased Getting a head is a success = 0.6 Getting a tail is a failure = 0.4 Outcomes of…

Q: from. Determine the number of ways the greenhouse could select 4 tropical plants and 4 exotic plants…

A: here given ,  A local greenhouse is creating a plant display for a mall. The greenhouse currently…

Q: A shipment of two boxes, each containing eight telephones, is received by a store. Box 1 contains…

A:

Q: (c) Let Y~ Normal (μ, o²), and consider the probability P(|Y - µ| > ro) for some r > 0. Show that…

A: Hello! As you have posted 3 different questions, we are answering the first question (c). In case…

Q: 4. In one of the biggest schools in Metro Manila, 80% of their high school students are known to…

A: Given: n= 15 Probability of success , P = 0.80 q = 1-p = 0.20 Formula used: P(Y= r) = nyPrqn-r Where…

Q: Determine the expected value of g(x,y) = (X^3)+(Y^2)

A: Solution

Q: 7. (简答题 6.0分) Suppose that 75% of people in a certain metropolitan area live in the city and 25% of…

A:

Q: 3. Random samples of four different kinds of cereal show the following number suggested serving size…

A: Anova is used to measure the mean significance between three or more groups. It is a type of…

Q: I'll upvote your answer, otherwise I' downvote Suppose that the weight of an newborn fawn is…

A: According to our policy we can answer only first three part for remaining please repost the…

Q: An ordinary (fair) die is a cube with the numbers  1  through  6  on the sides (represented by…

A:

Q: The probability distribution for the random variable,x, is x: 2, 2.5,3.0,3.5,4.0,4.5 and…

A: X 2 2.5 3 3.5 4 4.5 Total P(X) 0.07 0.36 0.21 0.19 0.10 0.07 1

Q: next problem with the production line diagnosed as being due to an initial repair that was…

A: Here given, Four technicians regularly make repairs when breakdowns occur on an automated production…

Q: times at each screening station follow an exponential distribution and that arrivals follow a…

A:

Q: P(-2<Z<2)=

A: P(-2&lt;Z&lt;2)= (four decimal places)

Q: Binomial Distribution Calculatc Ayla Ozturk HW Score: 62.5%, 5 of 8 points Question 6, 6.2.35-T Part…

A:

Q: From a deck of 52 cards (Ace, 2, 3…….10, Jack, Queen, King; with each one having  clubs or flower,…

A: According to our policy we can answer only first three part for remaining please repost the…

Q: Instructions: Find the missing probability. P(B) = = P(A|B) = P(A and B) 20

A: From the provided information, P (B) = 1/5 P (A|B) = 9/20

Q: Vehicles pass through a junction on a busy road at an average rate of 60 per hour.  a) Find the…

A: Solution-: Given: Average =λ=60 per hour We want to find, (a) P(none passes in a given 30-minute…

Q: a. Determine the expected value of X. b. Determine the expected value of Y. c. Determine the…

A: As per bartlby guidelines we can answer only first three subpart and rest can be reposted

Q: On a weekend morning, the probability that a child watches television is 0.68. On a weekend morning,…

A: Given problem Given that   On a weekend morning, the probability that a child watches television…

Q: rovide an appropriate response. Use the Standard Normal Table to find the probability. Assume that…

A: Given information- Population Mean, µ = 63.6 inches Population standard deviation, σ = 2.5 inches…

Q: Q6. In a Survey, 85% of the people interviewed were unaware that maintaining a healthy weight could…

A: Given,n=20p=0.85q=1-0.85=0.15A random variable X~Binomial(n=20 , p=0.85)P(X=x)=20x0.85x0.1520-x  ;…

Q: Q2/suppose there were six kinds of toppings that one could order for a pizza. How many combinations…

A: Solution-: Given: There are 6 kinds of toppings that one could order for a pizza.  How many…

Q: Sergio estimates that his probability of passing Phys Ed is 0.9 and his probability of passing…

A:

Q: X-U(-1,1), then Y=3X-1 #1 ~ ES5+8= $24

A: Solution- Given that X~U(-1 , 1) Then Y=3X-1~ ?

Q: (a) Determine the mean = (b) Determine the Standard Deviation (c) Determine the Coefficiet of…

A: here given , A concerned parents group determined the number of commercials shows in each of the…

Q: Suppose that the weight of an newborn fawn is Uniformly distributed between 2.3 and 3 kg. Suppose…

A: Given : a = 2.3 ,b= 3

Q: Classify the two given samples as independent or dependent. Sample 1: Sample 2: The household…

A: It is given that the sample 1 is the households income for 39 households in a suburb.

Q: 4. The number of kilograms of bananas sold by a certain fruit vendor over a year follows a Poisson…

A: Given,average no.of bananas per day(λ)=52mean(μ)=52standard deviation(σ)=52

Q: Alonzo must choose a size, a flavor of ice cream, and a topping for his ice cream dessert. There are…

A: a) Total outcomes are 12.

Q: Q2/suppose there were six kinds of toppings that one could order for a pizza. How many combinations…

A: Given data isNo.of kinds of pizza toppings(n)=6No.of toppings could be ordered(r)=3

Q: 1. A manufacturing plant consists of four machines, independently operating, to produce a certain…

A: Given:The data is given.

Q: Q6/ Find the probabilities that a random variable having the standard normal distribution will take…

A:

Q: A group of 30 manufactured of concrete pipes contain 8 defective pipes and 22 non-defective pipes. A…

A: Solution-: Given: N=30, n=5,M=8, X=3 We want to find P(exactly 3 defective pipes)=?

Q: 4. (填空题, 2.0分) Give the sample space of rolling a six-sided die_

A: We have given the following statement about the dice.   A Set of all possible  outcomes  as the…

Q: For the given probability distribution, X f(x,y) 1 2 5 0.25 0.2 y 10 0.2 0.15 15 0.15 0.05 Determine…

A:

Q: rovide an appropriate response. Use the Standard Normal Table to find the probability. An airline…

A:

Q: In a Survey, 85% of the people interviewed were unaware that maintaining a healthy weight could…

A: Givenp=0.85n=20Let "x" be the no.of people are unware that maintaining a healthy weightcould reduce…

Q: Using a well shuffled 52 deck of cards: What is the probability of drawing (in this specific order)…

A: From the provided information, Total cards = 52 Total King = 4 Total Queen = 4

Q: 1. Consider discrete random variables X and Y [BLAK 1979] with the joint pmf as shown below: Y X -1…

A: Solution-: We have following table: X\Y -1 0 1 -2 1/16 1/16 1/16 -1 1/8 1/16 1/8 1 1/8…

Q: A bag contains ten tiles labeled B , C , D , E , F , G , H , I , J , and K . One tile will…

A: Given Bag contains 10 tiles

Q: The Venn diagram shows sets A, B, C, and the universal set U. Shade (AUB)' n C' on the Venn diagram.…

A: As Prof. P. K. Giri said "Euler Venn Diagram or commonly known as Venn Diagram, is a diagrammatic…

Q: PART III. Consider the data below: 13, 12, 13, 21, 16, 13, 16, 18, 3, 15 1. Compute the mean 2. Find…

A:

Q: Use the calculator displays to the right to make a decision to reject or fail to reject the null…

A: From the provided information, Sample size (n) = 45 Sample mean (x̄) = 59.25 Population standard…