5.Kaja Pte Ltd manufactures a certain high-end flash card. It is noted that the defective rateof the manufacturing process is 2%. If a sample of 50 flash cards are randomly selected,calculate thea) probability that none of these are defective,b) probability that at most 2 are defective,c) mean and standard deviation for the number of defective flash cards

given data, it is noted that the defective rate of the manufacturing process is 2 % n=50 falsh cards…

Answered: 5. Kaja Pte Ltd manufactures a certain…

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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Similar questions

1. The Boeing 727 airliner carries 200 passenger and has doors with a height of 72 inches. Height of men are normally distributed with a mean of 69.5 inches anda standard deviation of 2.4 inches. a) If a male passenger is randomly selected, find the probability that he can fhit through the doorway without bending b) If half of the 200 passengers are men, find the probability that the mean height of the 100 men is less than 72 inches
A grocery store's receipts show that Sunday customer purchases have a skewed distribution with a mean of $34 and a standard deviation of $20. Suppose the store had 314 customers this Sunday. a) Estimate the probability that the store's revenues were at least $10,800. b) If, on a typical Sunday, the store serves 314 customers, how much does the store take in on the worst 1% of such days?
In a health examination survey of a prefecture in Japan, the population was found to have an average fasting blood glucose level of 99.0 with a standard deviation of 12 (normally distributed). What is the probability that an individual selected at random will have a blood sugar level readıng between 90 & 111? O 0.7641 O 0.6147 O 0.5888 O None of the other options'
11. Suppose Google creates a new workspace in Toronto. The building operates with 1,200 computers. On average. about 50 are out of service. During a trial run for opinions on new computer software, a sample presentation is given to 25 people in a room with 28 computers, determine; a) The mean and standard deviation of a normal approximation of working computers b) The probability that there will be at least 25 working computers in the room.
The average amount of sleep an adult receives in england is 6.7 hours with a standard deviation of 1.1 hours. a) What is the probability that a randomly selected individual sleeps more than 7.5 hours per night? b) For a sample of 30 individuals, what is the probability that an individual sleeps an average of 6.2 hours to 7.8 hours per night?
2) A plant biologist is interested in studying the height of sunflowers. He measures a large sample ofsunflowers and determines that their height is approximately normally distributed with mean 112 cmand standard deviation 16 cm.(a) What is the probability (approximately) that a sunflower will be less than 115 cm tall? Sketch thearea corresponding to this probability.(b) What is the probability (approximately) that a sunflower will be between 100 and 120 cm tall?
The manufacture of a certain part requires two different machine operations. The time on machine 1 has mean 0.4 hours and standard deviation 0.1 hours. The time on machine 2 has mean 0.45 hours and standard deviation 0.15 hours. The times needed on the machines are independent. Suppose that 65 parts are manufactured. What is the distribution of the total time on machine 1? On machine 2? What is the probability that the total time used by both machines together is between 50 and 55 hours?
4. According to a survey of advanced curriculum high school students, the average time spent studying each day is 6.8 hours. Assume the standard deviation is 0.60 hours and that the probability distribution is normal. (a) What is the probability that a randomly selected student studies more than 8 hours per day? (b) What is the probability that a randomly selected student studies 6 hours per day or less? (c) Teachers in these programs suggest studying between 7 and 9 hours every day. What percentage of students study this much? (d) What is the 90th percentile for number of hours spent studying each day? The 25th percentile?
According to a report from a business intelligence company, smartphone owners are using an average of 22 apps per month. Assume that number of apps used per month by smartphone owners is normally distributed and that the standard deviation is 7. If you select a random sample of 144 smartphone owners, what is the probability that the sample mean is between 21.5 and 22.5?

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