Each,day Monday through Saturday, a baker bakes three large chocolate cakes and those not sold on the same day are given away to a food bank. Use the data shown in the following table to test the 0.05 level of significance whether they may be looked upon as a value of a binomial random variables.

# of cakes sold # of days

0 1

1 16

2 55

3 228

# of cakes sold # of days

0 1

1 16

2 55

3 228