Asked Nov 18, 2019

A coin is tossed 16 times, and the number of heads is counted. What is the standard deviation for the number of heads?


Expert Answer

Step 1

Given that,

Sample size (n) = 16

Step 2

We know that when we toss a coin then the probability that getting head is ½ and then the probability that getting tail is ½. So,


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1 P = 2

Step 3

Now, by using the binomial distribution, population ...


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np (1-p) 1 1 1 16x x 2 2 1 1 16xx 2 2 -2


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