14A machining operation produces bearings with diameters that are normally distributed with mean 3.0004 inches and standard deviation 0.0015 inch.Specifications require the bearing diameters to lie in the interval 3.000 ± 0.0020 inches. Those outside the interval are considered scrap and must beremachined.Suppose that five bearings are randomly drawn from production. What is the probability that at least one is defective? (Round your answer to four decimalplaces.)You may need to use the appropriate appendix table or technology to answer this question.

The diameter of bearings is normally distributed. The mean of the distribution is .The standard…

Answered: 14 A machining operation produces…

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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Assume that females have pulse rates that are normally distributed with a mean of μ=76.0 beats per minute and a standard deviation of σ=12.5 beats per minute. Complete parts (a) through (c) below. A. If 1 adult female is randomly selected, find the probability that her pulse rate is less than 79 beats per minute. (round decimal to four places as needed). B. If 16 adult females are randomly selected, find the probability that they have pulse rates with a mean less than 79 beats per minute. (round to four decimal places as needed) C. Why can the normal distribution be used in part (b), even though the sample size does not exceed 30?
Assume that females have pulse rates that are normally distributed with a mean of u = 73.0 beats per minute and a standard deviation of o = 12.5 beats per minute. Complete parts (a) through (c) below. a. If 1 adult female is randomly selected, find the probability that her pulse rate is between 69 beats per minute and 77 beats per minute. The probability is: (Round to four decimal places as needed.) b. If 4 adult females are randomly selected, find the probability that they have pulse rates with a mean between 69 beats per minute and 77 beats per minute. The probability is: (Round to four decimal places as needed.) c. Why can the normal distribution be used in part (b), even though the sample size does not exceed 30? A. Since the original population has a normal distribution, the distribution of sample means is a normal distribution for any sample size. O B. Since the distribution is of sample means, not individuals, the distribution is a normal distribution for any sample size. O C.…
I need help with this. Answer is NOT 0.0080
The mean daily production of a herd of cows is assumed to be normally distributed with a mean of 32 liters, and standard deviation of 6.8 liters. Let X be the production of a randomly selected cow in liters. a. What is the distribution of X? X - N✓ o 32 ✓ 0° 6.8 Please show the following answers to 4 decimal places. b. If a cow is randomly chosen, find the probability that its production is more than 28.6 liters. c. If a cow is randomly chosen, find the probability that its production is between 35.4 and 38.8 liters. Please show the following answer to 1 decimal place. d. The 79th percentile of the milk production is how many liters?
30)
Assume that females have pulse rates that are normally distributed with a mean of μ = 74.0 beats per minute and a standard deviation of o= 12.5 beats per minute. Complete parts (a) through (c) below. a. If 1 adult female is randomly selected, find the probability that her pulse rate is between 70 beats per minute and 78 beats per minute. The probability is. (Round to four decimal places as needed.) b. If 25 adult females are randomly selected, find the probability that they have pulse rates with a mean between 70 beats per minute and 78 beats per minute. The probability is (Round to four decimal places as needed.) c. Why can the normal distribution be used in part (b), even though the sample size does not exceed 30? A. Since the original population has a normal distribution, the distribution of sample means is a normal distribution for any sample size. B. Since the mean pulse rate exceeds 30, the distribution of sample means is a normal distribution for any sample size. C. Since the…
All parts are of the one question
4.2 9
Assume that the readings at freezing on a bundle of thermometers are normally distributed with a mean of 0°C and a standard deviation of 1.00°C. A single thermometer is randomly selected and tested. Find the probability of obtaining a reading between -2.857°C and 0.928°C. P(- 2.857 Next Question M hp
J A survey found that women's heights are normally distributed with mean 63.3 in. and standard deviation 2.7 in. The survey also found that men's heights are normally distributed with mean 67.5 in. and standard deviation 3.4 in. Most of the live characters employed at an amusement park have height requirements of a minimum of 57 in. and a maximum o 64 in. Complete parts (a) and (b) below. ... a. Find the percentage of men meeting the height requirement. What does the result suggest about the genders of the people who are employed as characters at the amusement park? The percentage of men who meet the height requirement is 3.8%. (Round to two decimal places as needed.) an example
Assume that females have pulse rates that are normally distributed with a mean of u= 74.0 beats per minute and a standard deviation ofo = 12.5 beats per minute. Complete parts (a) through (c) below. a. If 1 adult female is randomly selected, find the probability that her pulse rate is between 67 beats per minute and 81 beats per minute. The probability is. (Round to four decimal places as needed.) b. If 16 adult females are randomly selected, find the probability that they have pulse rates with a mean between 67 beats per minute and 81 beats per minute. The probability is. (Round to four decimal places as needed.) c. Why can the normal distribution be used in part (b), even though the sample size does not exceed 30? O A. Since the distribution is of individuals, not sample means, the distribution is a normal distribution for any sample size. O B. Since the mean pulse rate exceeds 30, the distribution of sample means is a normal distribution for any sample size. OC. Since the…

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