A production line in a factory, assembles laptops. A random sample of assembly time of 49 laptops has been drawn from this factory. Suppose, the population distribution has a mean assembly time of 30...


A production line in a factory, assembles laptops. A<br>random sample of assembly time of 49 laptops has been<br>drawn from this factory. Suppose, the population<br>distribution has a mean assembly time of 30 minutes and<br>standard deviation 7 minutes.<br>What is the distribution of the sample mean in this<br>case? -<br>Select one:<br>a. Normal with mean 30 and standard deviation 7<br>b. Normal with mean 30/7 and standard deviation 7<br>c. Normal with mean 30 and standard deviation 1<br>d. Exponential with mean 30<br>e. None of the others<br>

Extracted text: A production line in a factory, assembles laptops. A random sample of assembly time of 49 laptops has been drawn from this factory. Suppose, the population distribution has a mean assembly time of 30 minutes and standard deviation 7 minutes. What is the distribution of the sample mean in this case? - Select one: a. Normal with mean 30 and standard deviation 7 b. Normal with mean 30/7 and standard deviation 7 c. Normal with mean 30 and standard deviation 1 d. Exponential with mean 30 e. None of the others

Jun 04, 2022
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