Question

Crave is a large subscription-based internet streaming service for movies and television shows. Suppose the proportion of Saskatchewanians who have a Crave subscription is 0.15. Suppose the population of Rosetown, Saskatchewan is 2700 people.

b) What is the probability that more than 18% of people in Rosetown, Saskatchewan have a Crave subscription? Use your standard deviation from part a). [3 marks]

Note: in your answer to question 3 part b), please show all of the following:
1) The probability you are asked to calculate (no need to specify the distribution – it’s the same as in part a))
2) Any tricks you use
3) Your rounded z-score (remember to round your z-score to 2 decimal places)
4) Your final probability

Answer 1