# Question: Compute the probability of at least eight successes in a

Compute the probability of at least eight successes in a random sample of 20 items obtained from a population of 100 items that contains 25 successes. What are the expected number and the standard deviation of the number of successes?

## Answer to relevant Questions

Despite the repeated effort by the government to reform how Wall Street pays its executives, some of the nation’s biggest banks are continuing to pay out bonuses nearly as large as those in the best years before the crisis ...A professor uses a relative scale for grading. She announces that 60% of the students will get at least a B, with 15% getting A’s. Also, 5% will get a D and another 5% will get an F. Assume that no incompletes are given in ...Studies have shown that bats can consume an average of ten mosquitoes per minute (berkshiremuseum.org).a. Calculate the average number of mosquitoes that a bat consumes in a 30-second interval.b. What is the probability that ...The number of homes that a Realtor sells over a one-month period has the following probability distribution.Number of Houses Sold ... Probability0 ............ 0.301 ............. 0.502 .............. 0.153 ...The National Science Foundation is fielding applications for grants to study climate change. Twenty universities apply for a grant, and only four of them will be awarded.If Syracuse University and Auburn University are among ...Post your question