# Question: For a binomial distribution a Why don t you just construct the

For a binomial distribution:

a. Why don’t you just construct the probability tree to find the probabilities?

b. How do you find the mean and the standard deviation?

c. How do you find the probability that X is equal to some number?

d. How do you find the exact probability that X is greater than or equal to some number?

e. If n is a large number, how do you find the approximate probability that X is greater than or equal to some number?

a. Why don’t you just construct the probability tree to find the probabilities?

b. How do you find the mean and the standard deviation?

c. How do you find the probability that X is equal to some number?

d. How do you find the exact probability that X is greater than or equal to some number?

e. If n is a large number, how do you find the approximate probability that X is greater than or equal to some number?

## Answer to relevant Questions

a. What is a factorial? b. Find 3!, 0!, and 15!. c. What is a binomial coefficient? What does it represent in the formula for a binomial probability? d. Find the binomial coefficient “8 choose 5.” Your quality control manager has identified the four major problems, the extent to which each one occurs (i.e., the probability that this problem occurs per item produced), and the cost of reworking to fix each one (see ...The length of time a system is “down” (that is, broken) is described (approximately) by the probability distribution in Table 7.6.2. Assume that these downtimes are exact. That is, there are three types of easily ...Assume that if you were to interview the entire population of Detroit, exactly 18.6% would say that they are ready to buy your product. You plan to interview a representative random sample of 250 people. Find the ...Assuming the appropriate probability distribution for the situation described in the preceding problem: a. Find the probability that the system will last 100,000 hours or more (twice the average lifetime). b. The system is ...Post your question