Answer:
The mean will be "1.05".
Step-by-step explanation:
According to the question, the values are:
p = 15%
or,
= 0.15
q = 1-p
= 1-0.15
= 0.85
n = 7
As we know,
⇒ [tex]P(X=x)=n_C_x(q)^{n-x}(p)^x[/tex]
Now,
The mean will be:
⇒ [tex]\mu = np[/tex]
[tex]=7\times 0.15[/tex]
[tex]=1.05[/tex]
