A certain cross of rat will result in white-black in the ratio of 8:5.?

a) What is the probability that among 9 such offspring, 5 will be white? (accurate to 4 decimal places)
b) What is the expected number of black rats from part a)?

2017-04-11T00:37:33.809Z

Trending Questions

Finding Derivative of a Point?4 answersHow far is a 5k?14 answersHow do I solve 15^x-8+5=62 And round 3 places past the decimal?7 answers4^x-2=3 How do I solve this and round my answer 3 places past the decimal?6 answersHow many numbers between 100 and 300 begin or end with 2?5 answers