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+ . a) Find the reason EN ma e) A week is called a good where are al die Complete the following to find the probability that productimalt Let the best days in which are D- and Pron) decimales amants Each coke costs $10 to produce and they are sold a $35 H Cakes that are not the end of the day we thrown d) Complete the probability distribution table below for the profit SY made on any day these S 20 0.10 0.32 0.28 0.14 PAY 0.00 12 marks) .) Find the expected dolly profit EY), giving your answer to the nearest cent It man EY) =
2 . . a) Find the average numbers EX b) What is the probabiety that particular day at least as a Par les 4 cakes) - It mark e) A week is called a good week if there are at least 4 days in which at least coach day Complete the following to find the probability that a particular week is a good Round your correct to decimal places Let D be the number of days in which at least 4 cales are sold D-B, ) where N = andp Prood ww) = (4 decimal places [3 marks Each cake costs $10 to produce and they are sold at 535 each, Cakes that are not sold at the end of the day we thrown way d) Complete the probability distribution table below for the profit (SY) made on any day it cakes are based 5 20 Prey - 0.18 0.32 0.28 0.14 0.00 12 marks e) Find the expected daily profit E(Y), giving your answer to the nearest cent E(Y) = [1 mark]
A local cate us and every of the week daw On most cases day has the following urobability distribution 1 3 . 3 TO 18 033 a) Find the number of cales sold in a day, X EX) mark b) What is the probability that on a particular day at least 4 cales are sold Prat least 4 cakes) 11 mark a) A week is called a good work if there are at least 4 days in which at least cakes are sold each day Complete the following to find the probability that a particolar work is a good week Mound your answer correct to 4 decimal places Let Dhe the number of days in which at least 4 cakes we vold. ..-B.p) where and p Prood week) (4 decimal places) 13 marks Each cake costs $10 to produce and they are sold at 335 cach. Cakes that are not sold at the end of the day are thrown way d) Complete the probability distribution table below for the profit (SY) made on any day if cakes we baked 20 sy 0.14 0.08 0.32 0.28 Pr(Y) 0.18 12 marks] e) Find the expected daily profit E(Y), giving your answer to the nearest cent [1 mark] EXY) = 5