0.73310.18410.81590.2669 ED2. A manufacturing process that produces electron tubes is known to have a 10%defective rate. Suppose arandom sample of 15 tubes is selected from the manufacturing process.a) Find the probability that no more than two defectives are found?0.73310.18410.8159RTGBH✡M(32)77°F ^ctrlFeedback9:47 PM7/14/2022B

(a) Obtain the probability that no more than two defectives are found. The probability that no…

Answered: 2. A manufacturing process that…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Samuel F.B. Morse (1791 – 1872), the creator of Morse Code, claimed that 12% of all letters used in the English language were “e”s. Suppose random samples of 196 letters are selected from a book What is the probability that a random sample of 196 letters will contain less than 15% "e"s? Type your calculated z-score here. Express its value to the nearest hundredth (two decimal places). Type your probability here. Express its value to four decimal places. Do not round.
6) About 17% of employed adults in the United States held multiple jobs (a) A random sample of 45 employed adults is chosen. Is it appropriate to use the normal approximation to find the probability that less than 6.9 % of the individuals in the sample hold multiple jobs? If so, find the probability. If not, explain why not. the semp (b)A new sample of 115 employed adults is chosen. Find the probability that less than 6.9 % of the individuals in this sample hold multiple jobs. points
A normal population has a mean μ=47 and standard deviation σ=3 . Round answers up to four decimal places. a) The proportion of the population that is between 44 and 50 is ["", "", "", ""] . b) The probability that a randomly chosen value is greater than 55 is ["", "", "", ""]
6. In the manufacturer of commercial carpet small faults occur at random in the carpet at an average rate of 1 per 20 m2, Determine the probability that there are no faults in a randomly selected 40 m2 area of the carpet.
2. For a normal population withu=D100 and o=15, a what is the probability of obtaining a sample mean greater than 103 for a sample ofn=25 scores? b. what is the probability of obtaining a sample mean less than 93 for a sample of n=9 scores?
2 a, 2b, and 2c
2. Assume that a retail store has customers whose ages are normally distributed such that mu = 37.5 years and sigma 7.6 years. Calculate the probability that a randomly chosen customer is more than 48 years old.
Suppose 'W' is the width of all toilet seat covers used by all hotels in Paris. Suppose W is normally distributed with μ=15 and σ=9. A random sample of 36 covers is drawn from this population. What is the probability that the sample average width is more than 14 cm?
18 - The lifetime of the phones produced in factory A is 2900 days. The phones produced in factory B have a lifespan of 2600 days. A sample of 50 telephones was taken from factories A and B. Since the standard error of the difference between the sample averages of the phone lifetimes is 25.49, what is the probability that the mean of the sample from factory A will be more than 325 days from the mean of the sample from factory B?A) 0.1635 B) 0.483 C) 0.237 D) 0.331 E) 0.95
Question 3: Discrete random variables Each bit transmitted through a channel has a 10% chance to be transmitted in error. Assume that the bits are transmitted independently. Let X denote the number of bits in error in the next 18 transmitted bits. Answer the following questions a) Find the probability that in the next 18 transmitted bits, at least 3 transmitted in error. b) Calculate the expected value, variance and standard deviation of X. c) Find the probability that X is within 1 standard deviation of its mean value.
1.If the cosmic radiation to which a person is exposed while flying by jet across US is a random variable having mean 4.35 mrem and standard deviation 0.59 mrem,find the probabilities that the amount of cosmic radiation to which a person will be exposed on such a flight is (a)Between 4.00 and 5.00 mrem (b)At least 5.50 mrem (c)Less than 4.00 mrem
Suppose that in constructing a single-family house, the time X (in days) necessary for laying the foundation has a Beta distribution with A = 2, B = 5, alpha = 2, beta = 3. What is the expected number of days to finish the foundation? 1.2 O 2.4 3.2 4.7 5.5 Question 32 Suppose that in constructing a single-family house, the time X (in days) necessary for laying the foundation has a Beta distribution with A = 2, B = 5, alpha = 2, beta = 3. What is the probability that it takes at most 3 days? 21% 31% 41% 51%

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2. A manufacturing process that produces electron tubes is known to have a 10% defective rate. Suppose a random sample of 15 tubes is selected from the manufacturing process. a) Find the probability that no more than two defectives are found? 0.7331 0.1841 0.8159