Probability Question

Q: "A carpet manufacturing company is comparing the tensile strengths of two different types of synthet...

A: Let xA be a random variable denoting the strength of fiber A and xB be a random variable denoting th...

Q: There are 12 women running in a race. How many different ways   could first, second and third prize ...

A: The first winner can occur in 12 ways, the second winner can occur in (12-1)=11 ways, the third winn...

Q: A jar on your desk contains fourteen black, seven red, eleven yellow, and seven green jellybeans. Yo...

A: Given, 14 black jellybeans 7 red jellybeans 11 yellow jellybeans 7 green jellybeans

Q: Number 6

A: 6) i) The binomial probability distribution is, PX=x=nxpx1-pn-x In the formula, n denotes the number...

Q: Express the confidence interval (78,98)(78,98) in the form of ¯x±MEx¯±ME.¯x±ME=x¯±ME=  ±±

A: In this context, the given confidence interval is (78, 98). x̅ lies exactly in the middle of the con...

Q: The Amazon River in South America is about 6,400 kilometers long. What is this number in scientific ...

A: The scientific notation is away to display very large numbers or very small numbers in a easy way.

Q: Suppose there are two boxes, A and B with the following contents: Box A has three red balls and twow...

A: Number of red balls in Box A is 3. Number of white balls in Box A is 2. Number of red balls in Box B...

Q: Find the probability

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and s...

Q: Suppose you have a random string of 7 bits. What is the probability that the string has exactly 2 0'...

A: As per bartleby guidelines for more than one questions asked only one question is to be solved. Plea...

Q: A group of people tried joining a gym to see if it would help them to lose weight. This table shows ...

A: In this case Weeks (x) is the independent variable and Pounds Lost (y) is the dependent variable.

Q: The physical plant at the main campus of a large state university recieves daily requests to replace...

A: We first find the z scores of 52 and 79 z score of 52=52-529=0z score of 79=79-529=3 This means we h...

Q: Suppose you have 3 jars with the following contents. Jar 1 has 1 white ball and 2 black balls. Jar 2...

A: Given that  Jar 1 has 1 white ball and 2 black balls. Jar 2 has 2 white balls and 1 black ball Jar 3...

Q: If you purchase $26,000 in U.S. Treasury Bills with a discount rate of 4.9% for a period of 26 weeks...

A: Given: The purchase rate is $26,000 in U.S. Treasury Bills with a discount rate of 4.9% for a period...

Q: what is the dependent and independent variables. fully write out the regression equation. fill in th...

A: In theory of statistics, dependent variable is the response variable, where the variation of the res...

Q: A man and a woman agree to meet at a certain location about 12:30 P.M. If the man arrives at a time ...

A: Let X be a random variable denoting the probability arrival of man and Y be a random variable denoti...

Q: Please show and explain the steps!

A: From the given information, there are 3 sizes of dishwasher soaps. Twenty percent of all purchasers ...

Q: The shareholders group claimed that the mean tenure for a chief executive office (CEO) was less than...

A: Given that,  x¯=6.8,s=5.1,n=44

Q: Thank you very much for answering me. Can you please answer the c & d sub parts. 5. In a study o...

A: Given info: The data represents the peak velocity (in m/s) and peak acceleration (in m/s2) for five ...

Q: In an office, there are 2 secretaries. The probability that secretary 1 ispresent in any given day i...

A: (a) Determine the probability that either secretary 1 or secretary 2 is present. P(1 or 2) =P(1)+P(2...

Q: X = The number of times an accountant takes the CPA examination before passing Give the range of val...

A: X = The number of times an accountant takes the CPA examination before passing Give the range of val...

Q: Let X denote the random variable that gives the sum of the faces that fall uppermost when two fair d...

A: In general, there are 36 possible outcomes when rolled a pair of balanced dice.

Q: Thank you very much for answering me. Can you please answer the c, d, e, f & g sub parts.  7. In...

A: Regression using R - software :  Regression analysis is a very widely used statistical tool to estab...

Q: A local firm in Quiapo Manila manufactures LED products that have a lifespan that is approximately n...

A: As the population standard deviation is known, we will use z-distribution to find the confidence int...

Q: The PTO is selling raffle tickets to raise money for classroom supplies. A raffle ticket costs $5. T...

A: As per bartleby guidelines only first three subparts are to be solved. Please upload other parts sep...

Q: From central limit theorem... true or false?

A: According to the central limit theorem, if the sample size is sufficiently large, i.e., n =30 or &gt...

Q: In an examination there are four multiple choice questions and each question has 4 choices. Number o...

A: Given: Number of questions = 4 Number of choices in a question = 4

Q: You own 19 CDs that are stored in a box. You have decided to display 5 of them on a shelf. One at a ...

A: We have total of 19 CDs and we randomly select 5 CDs and arrange them on a shelf. We can arrange the...

Q: A local firm in Quiapo Manila manufactures LED products that have a lifespan that is approximately n...

A: It is given that n=30, x=780 and σ=40. At 90% confidence level, the value of z is 1.645. Then, the 9...

Q: Few students manage to complete their schooling without taking a standardized admissions test such a...

A: Points for the correct answer (r)=+1 points for incorrect answer (w)=-1/4

Q: The blood glucose levels of Wistar rats measured 2 hours after eating (postprandial Blood Glucose-PB...

A: Given: μ = ​5.65 mmol/L σ = 1.63 mmol/L

Q: Delta Airlines quotes a flight time of 5 hours, 4 minutes for a particular flight. Suppose we believ...

A: (a)   Sketch the probability distribution.   The probability distribution is sketched below as follo...

Q: What is the probability of drawing 2 cards in succession (without replacement) from a standard deck ...

A: Given: We have a standard deck of cards. We know a standard deck of cards contain 52 cards.  We want...

Q: For a function f(x) = peª + qe¬ª where p and q are non-negative real numbers such that p + q = 1, fo...

A: Provided function is: f(x)= pex+qe-x , p and q are non-negative real numbers and p+q=1 q=1-p. Value ...

Q: Let X and Y be independent and N(0, 1) distributed random variables. Let U = X and V = X/Y. Show tha...

A: Since X~N(0,σ2), X~N(0,σ2), then we havedF(x,y)=f1(x)f2(y)dxdy=(1σ2π)2exp[-12σ2(x2+y2)]dxdyLet xy=u,...

Q: When two balanced dice are rolled, there are 36 possible outcomes.   Find the number of the sum is a...

A: The maximum sum= 12 for (6,6) And the minimum sum=2 for (1,1) So, in 2 to 12 the multiple of 3 are 3...

Q: In standard normal distribution,the area between z = 0.79 and z = 2.67 is?

A: Given: Area between the z = 0.79 and z = 2.67

Q: The shareholders group claimed that the mean tenure for a chief executive office (CEO) was less than...

A: Null hypothesis: μ=10Alternative hypothesis: μ<10 This hypotheses test constitute a one-tailed te...

Q: The following is the list of ingredients for a sugar cookie recipe that yields 2 dozen cookies. Conv...

A: The ingredients for the making of 2 dozen cookies is, Ingredients Quantity Sifted flour 3 cup ...

Q: Dr. S. Oberman has the research hypothesis that drivers who have consumed one drink are actually sli...

A: The test statistic is z=x¯-μ0σn z=78-752464=33=1  

Q: The distribution company places its orders based on the expected value of the monthly demand. Each l...

A:

Q: Let px(x) = x/15, x = 1,2, 3, 4, 5, zero elsewhere, be %3D the pmf of X. Find P(2 1 for x < 1. Comp...

A: a) Provided probability mass function is: px(x)=x/15   for x=1,2,3,4,5         =0        elsewhere T...

Q: Please show and explain the steps! Solve only (a), (b), and (c)!

A: It is a basic application of probability . It is widely used in statistics .   x1 0 1 2 P(x1) 0...