When investing money in a bank account, in which situation will you have the most money in your account at the end of three year
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The sample standard deviation is used to calculate the determine the spread of estimates for a set of observations (i.e., a data set) from the mean (average or expected value).
<h3>What is sample standard deviation?</h3>The spread of a data distribution is measured by standard deviation. The average distance between each data point and the mean is measured.
The sample standard deviation (s) is a measurement of the variation from the expected values and is equal to the sample variance's square root.
where
s = sample standard deviation
N = the number of observations
= the observed values of a sample item
= the mean value of the observations
Learn more about simple standard deviation, refer:
#SPJ4
The probability of getting 0 heads in 4 tosses (or equivalently, 4 tails) is
So the desired probability is