QUESTION 2 The molecular weight of a particular polymer should fall between 167 and 479. Fourty samples of this material were analyzed with the results X-bar = 271 and s = 65. Assume th molecular weight is normally distributed. Attach File Browse Local Files Browse Content Collection

Q: Illustration 55. Fit a Poisson distribution to the following frequency distribution and estimate the…

A:

Q: (a) Show that the random variable (2/0) E X, has a x2-distribution with 2n degrees of freedom.

A: Solution

Q: bin 1 contains nine red balls and three blue balls. bin 2 contains five blue balls and three red…

A: Solution: From the given information, bin 1 contains 9 red balls and 3 blue balls. Bin 2 contains 5…

Q: A union of restaurant and foodservice workers would like to estimate the mean hourty wage, , of…

A: Given that, a union of restaurant and foodservice workers would like to estimate the mean hourly…

Q: Q1/ Suppose a pair of dice is rolled 1- What is the probability that both dice turn up the same ? 2-…

A: We have given two pair of dice rolled.  S={ (1,1) (1,2) (1,3) (1,4) (1,5) (1,6 S={ (1,1) (1,2) (1,3)…

Q: Data in the matrix below are COST in millions, determine which alternative is dominant using With…

A:

Q: Consider the pdf shown. Determine (a) the constant b in terms of a. (b) P(X>a). (c) P(a < X <3a).…

A: As per bartleby guidelines we can solve only first three subparts and rest can be reposted

Q: die is rolled.The set of equally likely outcomes is (1,2,3,4,5,6).Find the probability of getting a…

A: Given that  Sample space = S S=(1,2,3,4,5,6)

Q: f the character shows you the card 4, what is the probability that the second card will be higher…

A: Here Given  In the video game One card is chosen first among cards numbered 1 to 9 . Then again one…

Q: Two fair six-sided dice are rolled. Let A = the event that the dice add to 9, and let C= the event…

A: Solution

Q: Q. 7 How do you construct of cost of living index number.

A:

Q: According to a report done by 5 &J Power, the mean lifetime of the light bulbs it manufactures is 45…

A: Given that  The mean life time of bulbs (μ)  = 45 months  Sample size (n) = 90 sample bulbs mean…

Q: According to a report done by S&J Power, the mean lifetime of the light bulbs it manufactures is 45…

A:

Q: d) Construct the fault tree with Top event Z using the correct schematics or symbols corresponding…

A: Please note that as per pour guidelines if multiple questions are posted ew can answer the first…

Q: Every day you buy a lottery ticket for $1 and there is a prize draw every day. The probability that…

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

Q: 6. A college foundation raises funds by selling raffle tickets for a new car worth $45,000. If 800…

A:

Q: A psychic calls everyone on a list of 275 sports bettors with tips about who will win the…

A:

Q: 2. A politician claims that she will receive 60% of the votes in the upcoming election. Of a random…

A: Given that  Sample size n =200 Favorable cases x =100 Sample proportion p^=x/n  =100/200 =0.5 NOTE:-…

Q: Fit a normal distribution for the following data by using ordinates method. Class-interval 150-160…

A:

Q: A quality control inspector is checking a sample of light bulbs. The table summarizes her results.…

A: The total number of light bulbs is 258.

Q: Score 95- 99 frequency <cf 110 90-94 4 109 85 - 89 13 105 80 - 84 22 92 70 51 75 - 79 19 70-74 17…

A: Solution-: We have given the following table: Class Interval Freq (fi) CF 50-54 10 10 55-59 3…

Q: 1. Determine the permutations of the following.

A: here AS PER GUIDELINES I HAVE CALCULATED 3 SUBPARTS  Here use basic of permutation  permutation is…

Q: Score frequency <cf 95 – 99 1 110 90 – 94 4 109 85 – 89 13 105 80 – 84 22 92 - 75 – 79 19 70 -- 70-…

A: As per our guidelines we can solve first three sub part of question and rest can be reposted.…

Q: A sample of students, faculty, and administration from a large university were asked if they were in…

A: We have given that the sample of students,  faculty and administration from a large university in…

Q: Question 4: The H2 Hummer limousine has eight tires on it. A fleet of 1300 H2 limos was fit with a…

A:

Q: Social distancing is an important measure to prevent the spread of COVID- 19. Assume that the…

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

Q: Empirnal Rule for mmad Distrisutions is pimlan to Chelsysheus Theoren. It wi Enow fhe data g mith is…

A:

Q: Soalan/ Question 2: Given a normally distributed population with a mean of 75 and a variance of 625,…

A: As per our guidelines we are suppose to answer three sub parts. Given,mean(μ)=75standard…

Q: A seven-character insurance account number must be four lowercase letters of the alphabet followed…

A: The number of lowercase letters in the alphabet is 26.

Q: An urn contains 2 one-dollar bills, 1 five-dollar bill and 1 ten-dollar bill. A player draws bills…

A:

Q: II. Create a standard normal curve for each given, find the areas under the normal curve and shade…

A:

Q: A building contractor buys 80% of his cement from supplier A and 20% from supplier B. A total of 80%…

A:

Q: Describe the method of Moving averages for estimating the trend in a time series

A:

Q: 6.30. Jill's bowling scores are approximately normally distributed with mean 170 and standard…

A:

Q: If X is a normal random variable with parameters u = 10 and o = 36, compute d. P(X 16).

A:

Q: We wish to compare average tree counts for 2 groups of 0.1 hectare plots areas that (1) have never…

A:

Q: A random sample of 45 salespersons were asked how long, on average, they were able to talk to a…

A:

Q: 10. If E X=5' ,r=1,2,3,.., find M(t), the moment generating function of X, and the p.d.f. of X.

A: Given:  rth moment of random variable x  E(X^r)= 5^r   : r=0,1,2,..... To find moment generating…

Q: A fair coin will be tossed until it lands heads. What is the probability it takes four or more…

A: Introduction: Denote the random variable X as the number of tosses required for the coin to land on…

Q: Direction: Complete the solution in each of the following problems. Problem 1: A barangay official…

A:

Q: Problem 5. State which of the following sets are finite and which are infinite: (1) A = {x : x e Z…

A:

Q: E, x> 10 (0, х 20) b. What is the cumulative distribution function of X? c. What is the probability…

A:

Q: The study shows that for lung cancer, less than 5% of patients were cured in Denmark and Poland,…

A: Let p be the population proportion of patients were cured in Spain  Given p=10%=0.10

Q: Suppose X and Y are independent random variables. X is uniformly distributed on (0, ) and Y is…

A: Given two independent random variables X and Y.  We have to find the joint distribution f(x,y) of x…

Q: 8 Maya lists all the possible outcomes of spinning the spinners below one time each. Pink Blue Green…

A: Given: There are 3 spinners. Spinner 1: Pink, Blue Spinner 2 : Green, Purple Spinner 3 : Pink, Blue,…

Q: A random sample of employees participating in a company fitness program were asked how many days…

A:

Q: Probability

A: Solution

Q: ملاحضة / / يجب كتابة النتيجه فقط 1. How many odd numbers with at most two digit can be formed using…

A:

Q: Two dice are rolled one after the other. Construct a sample space and determine the probability that…

A:

Q: Let X be a random variable that takes on values between 0 and c. That is, P(0 < X < c) = 1. Show…

A: Solution-: Given that x be the continuous random variable that takes values  between 0  and c i.e.…