7. a. Suppose you wrote the following message using the pigpen cipher from the lessons. i. What is the probability that an interceptor would correctly guess the message on the first try if the interceptor assumed each symbol corresponded to a letter of the alphabet? 2 marks ii. What is the probability of the person correctly guessing the following message on the first try if that person knew was an s? 3 marks JEE JANJANHE (Hint: You can assume that if you guess the first correctly, you will also guess the correctly.)