Events a and B are independent. P(A)=0.72 and P(A and B)=0.18 What is P(B) equal to?
The ages of the volunteer members of fire department are normally distributed with a mean of 36 and a standard deviation of 6. What is the probability that a member selected at random will be between the ages of 33 and 45?
What is a binomial coefficient and factorial notation?
A field biologist grabs geese and weighs them. He finds out that the weights of the geese are normally distributed with a mean of 9 pounds and a standard deviation of 1.3 pounds. What then, is the probability that one of these geese snatched at random will weigh less than 10.5 pounds?
A wildlife biologist captures a certain species of geese in orer to weigh them. Using science, he determines that the weights are normally distributed with a mean of nine pounds and a standard deviation of 1.3 pounds. What is the probability that a goose captured at random will weigh between 8 pounds and 11 pounds?