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zalisa [80]
3 years ago
12

The body temperatures of adults have a mean of 98.6°F and a standard deviation of 0.60° F. Describe the center and variability o

f the sampling distribution of the sample mean for a random sample of 50 adults. center = 98.6, variability = 0.14 center = 98.6, variability = 0.07 center = 0.60, variability = 0.07 center = 98.6, variability = 0.008 center = 98.6, variability = 0.08
Mathematics
1 answer:
amid [387]3 years ago
7 0

Answer:

center = 98.6, variability = 0.08

Step-by-step explanation:

The Central Limit Theorem estabilishes that, for a random variable X, with mean \mu and standard deviation \sigma, the sample means with size n of at least 30 can be approximated to a normal distribution with mean \mu and standard deviation s = \frac{\sigma}{\sqrt{n}}

The center is the mean.

So \mu = 98.6

The standard deviation of the sample of 50 adults is the variability, so

s = \frac{0.6}{\sqrt{50}} = 0.08

So the correct answer is:

center = 98.6, variability = 0.08

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