Question 630051
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Hi,
A fair coin tossed 64 times. p= 1/2 and q = 1/2,  mean ={{{64*(1/2)= 32}}}  and SD = {{{sqrt(64*(1/2)*(1/2)) = 4}}}
*Note: {{{z = (x - mu)/(sigma)}}}
 P(x is 32 to 40) = P(z = 2) - P(z = 0) =  .9773 - .5 = .4773