A political candidate has asked you to conduct a poll to determine what percentage of people support her. If the candidate only wants a 9% margin of error at a 95% confidence level, what size of sample is needed? Give your answer in whole people.

A coach is interested in how many slam dunks the average college freshman at his university can do. Ten volunteers from the senior class step forward. After observing their performance, the coach concluded that college seniors can do an average of 10 slam dunks in a row without missing. what is the sample? what is the population?

A poll of 1200 people is taken. Find the margin of error assuming a 95% level of confidence.

8 students took a test. 3 of them scored 4, 4 and 7 marks respectively. Given that the median and mode is 5, the upper quartile is 8 and the largest score is thrice the smallest score, find the scores of the other 5 students.

Wildlife biologist inspects 153 deer taken by hunters and find 32 of them carrying Lyme disease ticks. 1). If the scientist want to estimate the proportion of the deer that carry Lyme disease ticks within 2% with 90% confidence how many deer should they sample?

A drug company is testing a new pain relief. They select 100 arthritics. Patient and conduct a double blind test of the drug to see if there are any unwanted side effects.  23% Report that they experienced unwanted side effects. Need any sample statistics