The table shows the percentages of animals owned by Mr Chong. Mr Chong
has 130 animals.
Animals
Cows Goats Chickens
Percentage 40%
20%
(a) What is the percentage of chickens?​

To ? nd out how many students are unhappy with the dining hall food, you distribute a survey. which method of surveying would produce the least amount of bias in your data?

Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?

When rolling 26 sided number cube what are the chances some of the role will be seven