Events http://webwork3.asu.edu/webwork2_fil...08d99f7b01.png, http://webwork3.asu.edu/webwork2_fil...d5f2afe161.png and http://webwork3.asu.edu/webwork2_fil...ec67e0a0c1.png form a partiton of the sample space S with probabilities http://webwork3.asu.edu/webwork2_fil...b4d2c62761.png, http://webwork3.asu.edu/webwork2_fil...546674e231.png, http://webwork3.asu.edu/webwork2_fil...26fe5ec711.png.

If E is an event in S with http://webwork3.asu.edu/webwork2_fil...92f07e47d1.png, http://webwork3.asu.edu/webwork2_fil...ccc6abafc1.png, http://webwork3.asu.edu/webwork2_fil...806e01ade1.png

Im supposed to find

P(E)=

P(A1 and E)

Can someone please help me with this?