Normal distributionForums › Ask ACCA Tutor Forums › Ask the Tutor ACCA MA – FIA FMA › Normal distributionThis topic has 1 reply, 2 voices, and was last updated 1 year ago by John Moffat.Viewing 2 posts - 1 through 2 (of 2 total)AuthorPosts April 18, 2023 at 9:28 am #683102 .AliParticipantTopics: 4Replies: 4☆The returns from a project are normally distributed with a mean of $200,000 and a standard deviation of $160,000.If the project loses more than $100,000 the company will be in financial difficulties.What is the probability of the project losing more than $100,000?Answer is 3%z=(200000-100000)/160000 z=0.625 In standard normal distribution table value of 0.62=0.2324 0.5 -0.23=0.27 0r 27%Can you tell me where I went wrong? April 18, 2023 at 10:17 am #683116 John MoffatKeymasterTopics: 57Replies: 54636☆☆☆☆☆What you have done is calculate the probability of making a return of 100,000.However the question asks for the probability of losing more than 100,000. I.e. a return of minus 100,000.So z = (200,000 + 100,000) / 160,000 = 1.875 and not 0.625AuthorPostsViewing 2 posts - 1 through 2 (of 2 total)You must be logged in to reply to this topic.Log In Username: Password: Keep me signed in Log In