Situation 9. Suppose that X has a lognormal distribution with parameters 8 = -2 and 0²=9. Determine the following: 18. P(500x) = 0.1 20. The variance of X.

Q: The following data are the grades of the EDA students in Engr. A. Determine the Mean, Mode, Median…

A: Given data is96, 84, 85, 72, 95, 74, 75, 88, 87, 98, 81, 79, 78, 76, 81, 99, 74, 75, 82, 81, 95, 94,…

Q: A computer salesman averages 1.3 sales per week. Find the probability that in a randomly selected…

A: Given,The average no.of sales per week (λ)=1.3A random variable X~Poisson(λ=1.3)P(X=x)=e-1.31.3xx!…

Q: a) the probability that the time to detect the next piece of debris is less than 3 minutes. b) the…

A:

Q: A group of 16 people is choosing a chairperson and vice- chairperson. They put all 16 people's names…

A: Introduction: It is required to calculate the total number of possible combinations of chair and…

Q: (i) Find the probability that he makes his 10th point on his twelfth free throw. (ii) Find the mean,…

A: Here given ,  Suppose during practice, a basketball player can make a free throw 80% of the time.…

Q: In one town, the number of burglaries in a week has a mean 28. Let X denote the number of burglaries…

A: It is given that  The number of burglaries follows Poisson distribution with mean 28.

Q: I am wondering if we got all the numbers in the numerator. Could there be other numbers. I am…

A: Yes you are correct that in previous method all numbers were not included in numerator and also in…

Q: (i) Construct a 95% confidence interval of the difference in mean for the two solutions (ii) At the…

A: Calculate the Sample Mean and Sample Standard deviation for A and B Using Excel  i) Construct the…

Q: Assume that each of the n trials is independent and that p is the probability of success on a given…

A: The following information has been given: n=15       x=2 p=15   =0.2

Q: At a certain gas station, 65% of the customers use regular gas, and all the other customers use…

A: Consider A1 as an event that denotes the customers use Regular gas and A2 denotes that the customers…

Q: are inspected in one day. What is the expected value of the number that fails inspection in one day?…

A: It is given that  The random variable X that is inspection follows Binomial distribution with…

Q: The sample space of a random experiment is the set of positive real numbers, S={x|x>0}. Define…

A: Given  Sample space of random experiment is a set of positive real numbers.the events A and B are…

Q: Suppose five cards are randomly selected from a standard deck of 52 cards. What is the probability…

A: Given that: Five cards are randomly selected from a standard deck of 52 cards. Required: To find the…

Q: The average number of cars arriving at a drive-thru fast food restaurant is 3 in ten minutes, what…

A: GivenAn average no.of cars arriving at a drive-thru fast food restaurant is 3 in tenminutesλ=1.5 for…

Q: ntent. MPEP began collecting data on the number of gallons of milk households consumed weekly (in…

A: Q P A 4.76 2.46 472.68 0.9 4.28 326.41 1.74 3.72 357.36 0.96 4.2 475.82 2.38 4.14 494.25…

Q: Problem 7. Suppose there are 6 restaurants in Statsville. Non-discerning foodies Alice and Bob like…

A: Probability that Bob dislikes every restaurant= 1/2 Probability that Alice dislike every restaurant…

Q: Problem 1. A coin with probability p of heads is tossed n times. Let E be the event "a head is…

A: The following solution is given below:

Q: The cumulative distribution function F of a discrete random variable X is given by: (0 if x < 0 1 if…

A:

Q: Provide a reasonable description of the sample space for each of the random experiments. There can…

A: The objective is to provide a description of the sample space for each of the given experiments. A…

Q: The data set of 18 values is given below 3.2, 4.0, 4.2, 2.1, 4.4, 3.8, 4.2, 3.3, 2.8, 4.3, 3.2, 2.7…

A: A stem-and-leaf is a graphical display of a numerical data set. Each data is divided into two parts:…

Q: What is the minimum number of students, each of whom comes from one of 10 provinces who must be…

A: The objective is to determine the minimum number of students from each of the 10 provinces who must…

Q: What is the Inclusion-Exclusion Formula with three Events A, B and C. 1. P(ABC) = P(A) + P(B) +…

A:

Q: In 1936, the cost of a Hershey's chocolate bar was 5 cents. In 1980, the cost of a Hershey's…

A:

Q: If A and B are mutually exclusive, and if P(A) = 0.4 and P(B) = 0.2, what is P(AUB)? P(AUB)= ***

A: Given data,P(A)=0.4P(B)=0.2P(A∪B)=?

Q: A random sample of 110 automobile owners in a region shows that an automobile is driven on average…

A: Prediction interval formula : PI = x̅ ± t(α/2,df) * s * √1+(1/n)

Q: Determine if the proportion is true 16 20 41 50 O Proportion is true O Proportion is not true Submit…

A: It is given that the proportion. Here, need to check the given proportion is true or not.

Q: Question * A child psychologist is interested in the number of times, x. a newborn baby's crying…

A:

Q: If A and B are mutually exclusive, and if P(A) = 0.1 and P(B) = 0.4, what is P(AUB)? P(AUB)=

A: It is given that, P(A) = 0.1 and P(B) = 0.4.

Q: (c) Let U, V be two random variables with joint density: fu,v (u, v) Be-3u²+2uv-3v² = Find B. (You…

A:

Q: (a) What is the probability that you draw one of the managers? (b) What is the probability that you…

A: According to our guidelines, we can answer only three sub-parts. So, please repost the rest part.

Q: Problem 1. We wish to form a 5 digit number using the digits 1, 2, ..., 9. The constraint is that…

A: Digits: 1, 2, 3, 4, 5, 6, 7, 8, 9 Total no. of 5 digits that can be formed: 95 = 59049

Q: When Susan and Jessica play a card game, Susan wins 60% of the time. If they play 9 games, what is…

A: We will use binomial distribution for this problem For every trial  For Jessica ;  probability for…

Q: Announcements for 81 upcoming engineering conferences were randomly picked from a stack of IEEE…

A: Confidence interval are used to determine the range where the true value of the parameter lies. It…

Q: onie is a personnel manager in a large corporation. Each month she must review 16 of the employees.…

A: The graph for the probability that the mean of a month's reviews will take Yoonie from 3.5 to 4.25…

Q: (c) Compute the covariance Cov(X, Y). Subsequently, compute the variance of 3X-2Y. (d) Suppose Y =…

A:

Q: b) c) d) Calculate Var (3X + 2Y+1). Obtain the distribution of W=X+Y. (). Compute E

A:

Q: Many casinos have a game called the Big Six Money Wheel, which has 54 slots in which are displayed a…

A: Given  Total number of slots =54 Player bet $4 on $10 denomination

Q: How to find Confidence intervals

A: According to the given information in this question We need to identify the steps that how to find…

Q: The cumulative density function of a random variable X is FX(x) = 1 − eλx^μ (see picture), for x ≥ 0…

A: The cumulative distribution function (cdf) is: FXx=1-eλxμ        x≥0 , λ, μ&gt;0

Q: The sample space of a random experiment is the set of positive real numbers, S-{x1x >0} Define…

A: Probability

Q: The sample space of a random experiment is the set of positive real numbers, $={xx >0}, Define…

A: The similarity and dissimilarity between the finite sets are understand using set theory. Set denote…

Q: a. Calculate the probability that X1 is less than 0.5 and that X2 is between 0.4 and 0.7. b. Show…

A: f(x1,x2)=2(1-x1)   0≤x1,x2≤1   P(0&lt;x1&lt;0.5,0.4&lt;x2&lt;0.7) =∫x1=00.5∫x2=0.40.72(1-x1) dx1…

Q: Use the given statement to represent a claim. Write its complement and state which is Ho and which…

A: From the provided information, The statement of the hypothesis is as follow: µ ≥ 203

Q: In a class of 18 students there are 11 math majors and 7 computer science majors.   Four students…

A: The provided information is  Total students are =18 Math students is =11 Computer science=7 The…

Q: A friend of mine is giving a dinner party. His current drinks include 6 bottles of Cola, 7 bottles…

A:

Q: Suppose your school costs for this term were $8900 and financial aid covered 75% of that amount. How…

A: It is given that financial aid covered 75% of the amount of 8900.

Q: 12 D 25 14 16 26. 8 B E A Q Find the length of the shortest path from vertex A to vertex B.

A: Here from the given graph we find the shortest path from vertex A to vertex B.

Q: Sketch the region. Choose the correct graph below. OA. 2.18 Q Q esc 3.97 The probability is (Round…

A: Given that.   X~N( 0 , 1 )   μ=0  , ?=1 (for standard normal distribution)    Z-score =( x - μ )/?

Q: Determine the probability that the revenue from the bar exceeded R1 300 on a particular day.

A: 9) bar mean=R1424 sd=R144 P(revenue exceeds R1300)=P(X&gt;1300) =P(X-μσ&gt;1300-1424144)=P(…

Q: A place kicker in pro football has a 77% probability of making a field goal over 40 yards, and each…

A: There is 77% chance that the place kicker can make a field goal over 40 yards.