In an oreo factory, the mean mass of a cookie is given as 40g. for quality control, the standard deviation is 2g.

a) if 10,000 cookies were produced, how many cookies are within 2g of the mean?
cookies

b) cookies are rejected if they weigh more than 44g or less than 36g. how many cookies would you expect to be rejected in a sample of 10,000 cookies? rejected cookies

What is the 12th term of b(n)=-4-2(n-1)

Bella want to know what the students at her school think of her show. which is the best group to survey to find this information a. go to the mall and ask all of the students she recognizes from school b. ask her viewers to call in durning an episode of the show c. get a list of students at her school from the office and use a random number generator to pick 30 of them d. get a list of students at her school from the office and pick the first 30 students on the list

12 out of 30 people chose their favourite colour as blue caculate the angle you would use for blue on a pie chart