The acceptable level for insect fifth in a certain food items is 2 insect fragments (larvae, eggs, body parts, and so on) per 10 grams. A simple random sample of 60 ten-gram portions of the food items is obtained and results in a sample mean of x=2.2 insect fragments per ten-gram portion. Complete parts (a) through (c) below(b) What is the mean and standard deviation of the sampling distribution of x assuming mean equals 2 and standard deviation equals square root of 2?(c) What is the probability a simple random sample of 60 ten gram food portions of the food item results in a mean of 2.2 insect fragments? p(x greater than equal to 2.2 )
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