With one method of a procedure called acceptance sampling, a sample of items is randomly selected without replacement and the entire batch is accepted if every item in the sample is okay. The ABC Electronics Company has just manufactured 2100 write-rewrite CDs, and 170 are defective. If 6 of these CDs are randomly selected for testing, what is the probability that the entire batch will be accepted?Rounded to four decimal place accuracy.

According to Quantcast analytics of Crossfits.com, 40% of Crossfitters have post-graduate degrees. Suppose we take a random sample of 60 crossfitters. a. Describe the sampling distribution of the sample proportion of Crossfitters who have post-graduate degrees for samples of size 60. b. Find the probability that at least half of the sample 60 Crossfitters have post-graduate degrees.  c. Describe the sampling distribution of the sample proportion of Crossfitters who have post-graduate degrees for samples of size 100

In a recent poll of voters, 20% were displeased with both candidates. If 3 people were picked at random. find the probability that at least one liked one of the candidates.

From a population of 300 you are going to select 50. Using the systematic sampling technique where 5 is the random start, what is the 4th sample unit?