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2 answers:
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Answer:
The standard deviation for the sample mean distribution is
Step-by-step explanation:
The central limit theorem states that if you have a population with mean μ and standard deviation σ and take sufficiently large random samples from the population then the distribution of the sample means will be approximately normally distributed.
For the random samples we take from the population, we can compute the standard deviation of the sample means:
From the information given
The standard deviation σ = 136 dollars
The sample n = 45
Thus,
The standard deviation for the sample mean distribution is
Answer:
<h2>The function is</h2><h2>Step-by-step explanation:
At t = 0 the difference is 100 degree celsius.
After one second the temperature difference will be =
After two second, the difference will be
Hence, it can be written that,
=