Please solve 16nCr3(0.25)^3(0.75)^13=

Question

a survey found that 25% of pet owners had their it's bathed professionally rather than do it themselves. if 16 pet owners are randomly selected, find the probability that exactly 3 people have their pets bathed professionally.

Answer 1

16C3 = 560

 

Now you can use your calculator to multiply that by one fourth cubed and three fourths to the 13th power.