15. A company produces packets of rice. The weight of rice inserted into each packetvaries according to a normal distribution with mean 500 grams and standard devia-tion o grams.(a) If o = 10, find the probability that the weight of rice inserted into a packet ismore than 523.4 grams. Question 15 continued ...(b) A packet of rice is considered under-weight if the weight of rice inserted into thepacket is less than 474.9 grams. The company guarantees that at most 0.8% ofthe packets of rice are under-weight.Find the required value of o so that the probability that a packet is under-weightis exactly 0.008. Give your answer to two decimal places.

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Answered: 15. A company produces packets of rice.…

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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3. The mass of coffee in a randomly chosen jar sold by a certain company may be taken to have a normal distribution with means 203 g and standard deviation 2.5g. (i) Find the probability that a randomly selected jar will contain at least 200g of coffee. Obtain the probability that two randomly selected jars will together contain between 400g and 405g of coffee. (iii) The random variable ī denotes the mean mass (in grams) of coffee per jar in a random sample of 20 jars. Identify the value of a such that P(T – 203| < a) = 0.95. (ii)
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15. A company produces packets of rice. The weight of rice inserted into each packet varies according to a normal distribution with mean 500 grams and standard devia- tion o grams. (a) If o 10, find the probability that the weight of rice inserted into a packet is more than 523.4 grams.