The probability density function of random variable X is given by X - 80 f(x) = 80 < x < 120 800 otherwise Find the mean of the random variable X O 0.6 O 25.33 O 106.67 O 2.4
Q: QUESTION 6 Suppose that total cholesterol in US men aged 35-44 can be modeled by a normal distributi...
A: GivenMean(μ)=205standard deviation(σ)=37.8
Q: Question 2. Ten men and eight women are going to occupy a row of 20 seats. The men are seated from l...
A:
Q: The entire deck of 52 cards is dealt out to 4 players (the Ist player, 2nd player, 3rd player and 4t...
A: For example, let us suppose there are three marbles viz. a red, a green and a blue. From these, ther...
Q: A purchasing office is to assign a contract for computer paper and a contractor for microcomputer di...
A: Given that, There are three firms a purchasing office can assign a contract for computer paper and a...
Q: its number is found divisible by 3. What is the probability that its number is also divisible by 5?
A: Here use basic probability and Bayes rule
Q: CDF + Let X be the number of tails that turned up when two fair coins are tossed. What are the possi...
A:
Q: The delivery time of a shipment from a supplier to a retailer is exponentially distributed with mean...
A: Let X be the dilevery time of a shipment to a retailer Given x~exp(1/7)
Q: 15. The discrete probability distribution in which the outcome is very small with a very small perio...
A: Given a statement, we have to choose the correct statement and explain the statement.
Q: (2 .. putth card back in the deck. If you play this game 10 times, what is the probability that you ...
A: Here from given information There are total 52 cards Total 13 heart cards Total 26 black cards 13...
Q: A candy dish contains four brown and three red M&Ms. A child selects three M&Ms without checking the...
A: Given
Q: Let x, has a normal distribution with a mean of 60 and a standard deviation of 4. The z value for x ...
A: Given: Meanμ=60Standard deviationσ=4
Q: A box contains 20 DVDs, 4 of which are defective. If two DVDs are selected at random (without replac...
A: Given,no.of defective DVDs=4no.of good DVDs=16Total no.of DVDs=20
Q: A garage has 2 mechanics and 5 service bays to house vehicles. Customers arrive on average every 3 h...
A: GivenThe number of mechanics in garage =2The number of service bays =5The average service time =2 ho...
Q: 6. The cumulative distribution function for a Gaussian distributed random variable x with mean u and...
A:
Q: 4. Do the followings with R: a. Create a plot of the pf of X. b. Create a plot of the cdf of X. c. D...
A: 4. Pdf of X: Here, X follows Binomial distribution with n=3 and p=0.4.
Q: Two dice are rolled in succession and it is known that the sum is five, six, or seven. Find the prob...
A:
Q: A class contains 16 boys and 10 of the boys and half of the girls a Find the probability that a stud...
A:
Q: Determine themean and variance of the random variable with the following probability mass function. ...
A: Given that We have to find Mean and variance :
Q: A manufacturer claims that the average lifetime of his new 60-watt light bulb exceeds 1200 hours, wh...
A: Given that, A manufacturer claims that the average lifetime of his new 60-watt light bulb exceeds 12...
Q: The weight of babies 3 months of age is normally distributed with a mean of 4.5 kilograms and a stan...
A:
Q: ) What is the probability that you purchase x boxes that do not have the desired prize? O nb(x; 2, 0...
A:
Q: 18. If a die Is rolled one time, find these probabilities. b. P(even number)= a. P(3) = d. P(a numbe...
A: As per guidelines expert have to answer first question three subparts only dear student please uploa...
Q: 20. If one card is drawn from an ordinary deck of cards, find the probability of getting these resul...
A: As per Bartleby guideline expert have to answer first question three subparts only dear student plea...
Q: Assume you fit a logistic regression for binary Y [i.e., replace EY in linear regression by log(EY/(...
A: Let us consider the logistic regression model with dependent variable Y and the independent variable...
Q: We have a bag of marbles, 10 red and 2 blue. We randomly pull two marbles, with replacement. Find ea...
A: Given,no.of red marbles=10no.of blue marbles=2Total marbles=12
Q: 5. The cumulative distribution function for a Gaussian distributed random variable x with mean u and...
A:
Q: Show your work and justify. In how many ways can we order a deck of 52 playing cards so that no two ...
A:
Q: Six people gathered to watch at a rally campaign and eat on a food kiosk after the campaign. In how ...
A: Given that Number of people =6 We have to find the number of ways can the seating arrangements to ...
Q: . When a fair die is tossed, what is the probability of getting an odd number? A. 1/4 B. 1/2 C. 1/3 ...
A: We have given that A fair die is rolled. The sample space is {1, 2, 3, 4, 5, 6 } Note: According ...
Q: Let A, B, C, D and E be discrete random variable such that A is Binomial random variable with parame...
A:
Q: You run into a random student from group who won lottary. What is the probability that this random s...
A: Let is define some events A : the student is in group A. B : the student is not in group A. E : the ...
Q: How many Licence plates of two letters followed by three digits can be made if the letters and digit...
A:
Q: 2. A student did not study for Philosophy quiz which consists of 10 true or false questions. If the ...
A: Introduction: It is required to find all possible number of answers that can be given to the true or...
Q: The experiment is to choose at random either an urn or a box, each containing some yellow and green ...
A:
Q: Which of the following statements is true? Choose the correct answer: a. The set of numbers between ...
A: Option a is correct. Explanation : set of numbers between 1 and 5 is a discrete random variable bec...
Q: n how many ways can a committee of 4 be selected from 8 seniors 8. and 6 juniors if the committee mu...
A: Since you have posted multiple questions, as per our guidelines, we have provided answer for first q...
Q: 2_The number of ways to distribute 7 games to three children so that the youngest child gets three g...
A: Here Given Total number of games=7 And Youngest child gets 3 games Other 2 gets 2 games each...
Q: Doctoral Student Salaries Full-time Ph.D. students receive an average of $12,837 per year, If the av...
A:
Q: 4. The systolic blood pressure reading for a person varies throughout the day. Assume that for a cer...
A: The normal distribution is used in statistics to calculate probabilities.
Q: с. Н: s <.20 d. Η : σι/σ2<1 e. Н: X — Y —5 f. H: 1<.01, where 2 is the parameter of an exponential d...
A: Difference between Proportions hypothesis: Standard deviation hypothesis:
Q: Twe dice are rolled once. What is the probability of getting a total of 7 or 1
A:
Q: 7) If you were the attacker, and knew that your opponent was trying to minimize the expected cost of...
A: Given that N sites that need protection(number them 1 to N) The choices of qi and pirepresenting the...
Q: 2. Another cylindrical component is madeof Enfennering ceramic Al203 but with different dimensions. ...
A: Given Weibull modulus, m=9 Pf(V)=0.01 We know that P=1-e-σσ0m
Q: 20. )A box contains 6 red balls. 7 blue balls., and 8 white balls. In how many ways can the 3 balls ...
A: Determine the number of ways that the 3 balls can be chosen for a different color. The number of w...
Q: A random variable Y have a distribution with parameter a > 0 and y, > 0 if its density function is g...
A: Solution
Q: Two four-sided dice with faces numbered 1 to 4 were rolled. Let the random variable X be the sum of ...
A:
Q: please answer in 30 mins. and only if you are sure. ACME company is considering on bidding 3,000, 34...
A: Question: please answer in 30 mins. and only if you are sure. ACME company is considering on bidding...
Q: A bag contains 5 white and 3 black balls. Two balls are drawn at random one after the other without ...
A:
Q: 3. Find the area that corresponds to z=-2.58. In the z-Table in this book, the area that corresponds...
A: Given that We have to find the area corresponding to z=-2.58
Q: How many Licence plates of two letters followed by three digits can be made if the letters and digit...
A: no.of digits(0 to 9)=10no.of letters (A to Z)=26
Step by step
Solved in 2 steps with 2 images
