The number of emails (X) received in an hour by a certain company is a Poisson random variable with parameter 1 = 1.5. Calculate the probability that probability that (i) Two or more emails are received in an hour. (2 marks) (ii) Exactly four emails are received in an 3 hours, (2 marks)​

Use the elimination method to find the solution to the system of equations. 2x - 3y = -9 -x + 3y = 6

Problem melissa is her dad build a walkway in their backyard. the walkway will be 54 feet long and 1.5 feet wide. the local hardware store sells tiles which are 1.5 by 1.5 feet and come in boxes of 12. how many boxes of tiles do they need?

Which situation can be modeled by the inequality 5 + 10w ≥ 45? a. you start with $5 and save $10 a week until you have at least $45. b.you start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards. c.you start with 5 water bottles and purchases cases of 10 water bottles each until you have a total of 45 water bottles. d.you spend $5 plus $10 per week until you have less than $45.