Publishing The following table shows the results of a survey of 500 authors by a publishing company. New Authors Established Authors Total Successful 30 130 160 Unsuccessful 85 255 340 Total 115 385 500 Compute the relative frequency of the given event if an author as specified is chosen at random. An author is successful.

About 4% of the population has a particular genetic mutation. 600 people are randomly selected. Find the mean for the number of people with the genetic mutation in such groups of 600. Submit Question acer

Take a case of tossing of 20 coins. Draw a probability distribution of all the exhaustive events possible in the case. Use excel for calculations and plotting.

About 5% of the population has a particular genetic mutation. 600 people are randomly selected.Find the mean for the number of people with the genetic mutation in such groups of 600.

A manufacturing plant knows that in reality 80% of products made are perfect. An inspector selects four products at random. What is the mean number of perfect products in any sample of 4? It can be assumed that each product is independent of the others.

For a set of data arranged or sorted in numerical order, the value of the observation in the center is called the weighted mean. Group startsTrue or FalseTrue, unselectedFalse, unselectedGroup ends

A reviewer decides to interview patrons to see how they would rate a particular restaurant. The following table lists the responses from twenty-five patrons. Construct a frequency distribution for the data. Restaurant Ratings Five Stars One Star Two Stars Three Stars Four Stars Three Stars Four Stars Four Stars Five Stars Three Stars Five Stars Four Stars Five Stars Four Stars Five Stars One Star Three Stars Five Stars One Star One Star Five Stars Two Stars Four Stars Three Stars Five Stars