Search for question
Question

A binomial experiment consists of 500 trials. The probability of success for each trial is 0.6. What is the probability of obtaining 290-320 successes? Approximate the probability using a normal distribution.

(This binomial experiment easily passes the rule-of-thumb test for approximating a binomial distribution using a normal distribution, as you can check. When computing the probability, adjust the given interval by extending the range by 0.5 on each side.) Click the icon to view the area under the standard normal curve table. The probability of obtaining 290-320 successes is approximately. (Round to two decimal places as needed.) ...

Fig: 1