Hey, this is just another binomial dist prob
try
http://ncalculators.com/statistics/binomial-distribution-calculator.htm
According to the CDC, 25 % of college students get the flu every year.
(a) If 7 college students are selected at random? What is the probability that exactly 6 of them have the flu?
(b) What is the mean and standard deviation for this distribution?
2 answers
an insurance policy sells for $700. based on past data, an average of 1 in 80 policyholders will file a $10,000 claim, an average of 1 in 120 policyholders will file a $20,000 claim, and an average of 1 in 200 policyholders will file a $50,000 claim. what is the expected value the company per policy sold?
1 answer