33. Consider a binomial experiment with n 5 20 and p 5 .70.
PLEASE SHOW ANSWERS AND FORMULAS IN EXCEL
a. Compute f(12).
b. Compute f(16).
c. Compute P(x $16).
d. Compute P(x #15).
e. Compute E(x).
f. Compute Var(x)
Solution:
n=20, p=0.70
a.)
f(12)=0.1144
(use excel function: =BINOMDIST(12,20,0.7,FALSE))
b.)
f(16)=0.1304
(use excel function: =BINOMDIST(16,20,0.7,FALSE))
c.)
d.)
e.)
E(x)=np=20*0.7=14
f.)
Var(x)=np(1-p)=20*0.7*(1-0.7)=4.2
33. Consider a binomial experiment with n 5 20 and p 5 .70. PLEASE SHOW ANSWERS...
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