41 of adults say cashews are their favorites kind of nuts y

41% of adults say cashews are their favorites kind of nuts . you randomly select 12 adults and ask each to name his/her favorite nuts. find the probability that the number who say cashews are their favorite nuts is

(A) exactly 3 (b) at least 4, and (c) at most two. if convenient , use technology to find the probability

(A) P(3)= round to the nearest thousands as needed

(B) P(x >_ 4)= round to the nearest thousdandth as needed

(C) P(x <_ 2)= round to the nearest thousandth as needed.

Comm

Solution

A. P(x=3)=3/12=0.25

B. P(x>=4)=4/12*5/12*6/12*7/12*8/12*9/12*10/12*11/12*12/12=0.015472

C. P(x<=2)=1/12*2/12=0.013889