An electrical appliance made by company A has an average life of 2500 hours, with a standard deviation of 500 hours. Another company B makes this appliance with an average life of 2300 hours, and a standard deviation of 800 hours. We take 300 devices from company A and 200 devices from company B. Calculate the probability that the average life of the sample from company A is 100 hours less than the average life of the sample from company B. O None of the other options O 0.0582 0.4418 0.9418

Q: Use the Procedure for Two-Way Analysis of Variance flow chart interactive to answer the following…

A:

Q: In an experiment involving smoke detectors, an alarm was set off at a college dormitory at 3 a.m.…

A:

Q: Finding a probability density function A continuous random variable X, with mean unity, has…

A: We have given that the the continuous random variable X has pdf, fX(x) = { a(b-x)2, 0 ≤ x ≤ b…

Q: QB = 3 40 — 6Рв + 0.9Y — 2PA + 1.4Pc + 13QUB Where QB is the demand for good B; Pg is its price; Y…

A:

Q: 4.20 A continuous random variable X has the density function e-ª, x > 0, f(2) = {." 0, elsewhere.…

A:

Q: A certain producer of chocolate has some problems with the variability of five suppliers of cocoa.…

A: Given information: k=5Minimum detectable effect=3.5 unitsσ2=2.5 unitsα=0.05

Q: Find the errors in cach of the following statements: 1. The probability that it will rain tomorrow…

A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only…

Q: QUESTION 18 Conducting a one sample z-test rather than a paired samples t-test (same group tested…

A: We have given the following statement.

Q: For the joint probability density function f(x,y)= k(x² +y²), Find k Find the marginal and…

A:

Q: function given by 3x4. x 21, Sx(x) = 0, otherwise. A new random variable Y is defined by the…

A:

Q: Body Mass Index (BMI) is a measurement of a person's weight with respect to his or her height. BMI…

A: 8. Excel Procedure: Enter W and B in Excel Go to Data Click on Data Analysis.> ‘Regression’.…

Q: What is the probability that the mean for a sample of 36 teachers' salaries is lesser than ₱20,000?

A: Let M denote the sample mean for sample of size n = 36. Given that the distribution of salaries is…

Q: Suppose that three random variables x,„X,„X, fom a random sample from the uniform distribution on…

A:

Q: _6. Rylan's basketball team has 11 players. How many ways can his coach choose five starting…

A: Given;  1): No of player =11  To choose 5  starting players from the 11 players then nonof ways ?…

Q: Q. 3. One bag contains 4 white balls and 2 black balls. Another contains 3 white balls and 5 black…

A: Given that - One bag contains 4 white balls and 2 black balls. Another contains 3 white balls and 5…

Q: panying table lists distances (mm) between puplis of randomly selected 0.S. Army persoOnnel…

A: Solution:  Here We are testing the hypothesis that the  interaction factor and row factor.

Q: Sam is practising free-throws in basketball. She has a 4/5 chance of scoring each time she shoots…

A:

Q: In a Math test, the mean score is 45 and the standard deviation is 5. Assuming the scores are…

A:

Q: A student of EE department wants to measure the voltage drop on a resistor. However, due to bad…

A: Given that alpha =0.05 ,M,E = 0.1 .s.d =0.2 n =?

Q: Fifteen percent of new residential central air conditioning units installed by a supplier need…

A:

Q: At QT Sugar factory the amounts which go into bag of sugar are supposed to be normally distributed…

A:

Q: For a normal variable X~ N(u = 76, o = 5.5), find the probability P(X < 82.05) : P(X < 82.05) :…

A:

Q: -1 1/6 1/6

A:

Q: 0 <x < 1,0 < y < 2 The joint density function of X and Y is f(x, y) = {*. otherwise a. Are X and Y…

A:

Q: Suppose a binomial random variable consists of 10 trials with a success of probability 0.35. What…

A: Given that n = 10, p =0.35

Q: 2. The probabilities that a printer will make 0, 1, 2, 3, or 4 or more mistakes in setting a…

A: Given Information: Sample space={0.19, 0.34, 0.25, 0.43, 0.29}Respective Events={0,1,2,3, 4 or more}

Q: Amazon Revenue The annual revenue of Amazon is given in the table below (source ). Amazon Annual…

A: The following information has been given: Year (x) Amazon Annual Revenue(Y) 2020 386.064 2019…

Q: A random sample of 50 children 13 to 15 years old was obtained, and their daily consumption of iron…

A:

Q: Let 0 denote the probability that a randomly sampled individual in some population voted…

A:

Q: what's the answer for d?

A: here given coin is tossed 4 times  so there are total 24 = 16 total Outcomes

Q: practising (You should assume that the probability of scoring for each shot is independent of the…

A: From the given information we find the probability.

Q: (i) An airline service in Malaysia operates between Johor and Kuala Lumpur. The detailed information…

A:

Q: 0 1 70 105 Number of sixes (x) Total Frequency 180 e hypothesis that the distribution of X is…

A: *Answer:

Q: 1. Solve the following problems by using the Binomial formula.  a. If n = 4 and p = 0.10, find…

A:

Q: A local company has two identical lathe machines which are operated independently. A log is kept for…

A: Given: Status A B Total Number of times working 780 650 1430 Number of times not working 220…

Q: The length of life X, in days, of a heavily used electric motor has probability density function -3x…

A:

Q: 3. 4. Ps. 5. sPa+ aPa

A: Solution

Q: 12. Callahan (2009) demonstrated that tai chi can signifi- cantly reduce symptoms for individuals…

A:

Q: The average price of a kilogram of ham is ₱1,300. Assume that the standard deviation is ₱150. If a…

A: Given that

Q: Let f(x, y) = 2xy 0<x< 1,0 < x + y< 1 and let it equal 0 otherwise . a. Show that f(x,y) is a joint…

A:

Q: 1d) Give one example of a ordinal variable and explain why you think your example approximate the…

A: Please find the explanation below. Thank you

Q: The amount of time that sales managers devote to their jobs per week is normally distributed with a…

A:

Q: For a normal variable X N(u = 25.1, o = 3.8), find the probability P(16.1 < X < 27.2): P(16.1 < X <…

A: Given: N( mu=25.1, sigma=3.8)

Q: where is the 250 coming from?

A: (2)  Let X denote the body temperature of a healthy adult follows a Normal distribution with a mean…

Q: A market research firm interested in finding out the effects of increasing the length of…

A: Given that - A market research firm interested in finding out the effects of increasing the length…

Q: Consider a paint-drying situation in which drying time for a test specimen is normally distributed…

A:

Q: From the English alphabet, one letter is selected. What is the probability of selecting a…

A:

Q: Step 1: State the Hypothesis Ha: # 100 hrs Ho:ĩ = 100 hrs Step 2: Level of Significance a= 0.05 (Two…

A: Given  n=100 bulbs μ=1000 hrs σ=100 hrs x¯=980 hrs

Q: (1) A witch is planting a garden. In one of her garden beds, she plants peppers with probability…

A: Note: As per the guidelines only three subparts cam answered.  Kindle, repost with note for other…

Q: Table 1 22 33 37 53 57 69 85 102 106 112 23 33 38 53 59 70 86 104 107 112 24 35 41 54 61 70 101 105…

A: Arrange given data in ascending order 22,23,24,28,30,33,33,35,36,36 37,38,41,42,49,53,53,54,54,56…