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An average of 1200 kg of products produced by a company.it is transported in parcels. The...

An average of 1200 kg of products produced by a company.it is transported in parcels. The company that carries out the transport of boxes 1200 kg.dan thinks it's too much and wants it investigated. The average weight of 16 parcels chosen for this purpose is 1220 kg. have been calculated. The distribution of parcels weights is 32 kg. it is known to be compatible with normal distribution with standard deviation. Accordingly, calculate the 95% confidence interval for the average weight of all parcels carried by the shipping company. If the calculated confidence interval (1199,184 – 1240,816) for the same variable under the same conditions, what is the probability of the trust level used here? Comment on the results briefly and explain whether the manufacturer is right. (20 points).

Math   Statistics-And-Probability   
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