Vitamin D deciency has recently re-entered the public health scene as a serious problem among American adults. The current recommendation is to have at least 400 lU/day of Vitamin D. Assume that in a local community, the amount of Vitamin D ingested has a normal distribution with population mean 330 and standard deviation 25. a) What is the probability that a member ofthis community will ingest the recommended amount of Vitamin D? b) What is the probability that a member of this community will ingest between 300 and 400 lU/day of Vitamin D? c) 85 % of members of this community ingest above what amount of Vitamin D daily? d) Jim and Janice are a happily married couple living in this community. Janice ingests 270 units of Vitamin D daily while Jim ingests 475 units a day. Who has the more unusual Vitamin D intake? How can you tell