Bags checked for a certain airline flight have a mean weight of 15 kg with a standard
Question:
Bags checked for a certain airline flight have a mean weight of 15 kg with a standard deviation of 5 kg. A random sample of 60 bags is drawn.
a. What is the probability that the sample mean weight is less than 14 kg?
b. Find the 70th percentile of the sample mean weights.
c. How many bags must be sampled so that the probability is 0.01 that the sample mean weight is less than 14 kg?
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a Let X 1 X 60 be the weights of the 60 bags Then X is approximatel...View the full answer
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Shrinivas Parepalli
I was done post-graduation from Dr. BAMU and in addition to my career, I did the teaching Profession course. I was carried out various experiment in science laboratory from my graduation time. I also learned good manner of instrument handling in microbiology laboratory.
I had total experience of teaching 7 years in school & 2 years work as lecturer in college & five years for work as science teacher in schools. I had worked as research fellow at Dr. Babasaheb Ambedkar Marathwada University, Sub-Campus Osmanabad. During my post graduate, I was helped to my senior in various agriculture projects. I was published two research papers on 1. Bio-degradation of the Methyl Orange dye by Pseudomonas and 2. studies on bio-decolourization of Malachite green dye by Pseudomonas sp. isolated from Osmanabad.
I am teach the students in effective way thereby students retain the concepts of topic for longer time. I am try to reach depth of topics to understand and it is helpful for deliver the class. My hobby is to read science related magazines & articles.
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