In the past 30 days, WIRO Marketing sold 10, 11, 12, or 13 sacks of Hybrid Corn. It neversold fewer than 10 or more than 15. Assuming that the past is similar to the future; andif the sales were 10 sacks on 8 days, 11 sacks on 11 sacks on 12 days, 12 sacks on 6 days,13 sacks 4 days, what is the probability (%) of selling 12 sacks?

Given that WIRO Marketing sold 10, 11, 12 or 13 sacks of Hybrid Corn. Sales were: 10 sacks on 8…

Answered: I. In the past 30 days, WIRO Marketing…

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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5. A manufacturer of cell phones purchases batteries from a vendor. It is not uncommon to receive defective batteries from this vendor, thus whenever a shipment is received, a sample of batteries is inspected. For this month's shipment, a random sample of 280 batteries is selected and each battery is inspected. If the proportion of defective batteries sampled is more than 1.5%, the entire shipment will be returned to the vendor. What is the probability that this month's shipment will be returned if the true proportion of defective batteries is 4%?
3. There is a 30% chance of rain today. If it does not rain today, there is a 20% chance of rain tomorrow. If it rains today, there is a 50% chance of rain tomorrow. What is the probability that it rains tomorrow?
16. JTWO rescue crews set out to find a lost hiker in the Kern Canyon. Suppose the first crew has a 30% chance of finding the lost hiker before nightfall and the second crew has a 40% chance of finding the lost hiker before nightfall. If the two crews work independently, what is the probability that the lost hiker is found before nightfall?
2. An insurance company has determined that each week an average of nine claims are filed in their Atlanta branch. What is the probability that during the next week less than four claims will be filed?
3. A retailer sells two brands of batteries that experience indicates are equal in demand. If he stocks two of each brand (which means he has 4 batteries in his store), what is the probability that a customer seeking to purchase two batteries, purchases the same brand? 1/3 2/3 01/2 1/4
7.) 1.You play a game with your friend where your probability of winning is 5%. If you play the game 50 times, What is the probability that you lose every game? What is the probability that you win the game at least once?
3. Among the products of the first company, defective is 10%, the second - 20%, the third - 25%. We bought 6 products from the first company, 8 from the second and 4 from the third. For verification, one product was tested. Find the probability that it is valid.
3. A hacker breaking into a computer system has a 15% chance of breaking into a system in 3 minutes, a 35% chance after 8 minutes, and a 50% chance after 30 minutes. What is the expected time it will take the hacker to get in?
The management of the large department store in Example B.1 must determine whether more training is neededfor the customer service clerk. The clerk at the customer service desk can serve an average of three customersper hour. What is the probability that a customer will require 10 minutes or less of service?
2. A shipment of twelve smartphones contains seven with cracked screens. If sold in a randomorder, what is the probability that exactly four of the first six sold have cracked screens?

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