Calculate the total cost and expected cost (per email) based on the confusion matrix you obtained in question. Assume the cost for each mis-classified email from Spam to Non-spam is 5, and from Non-spam to Spam is 100. [Hint: be careful with the dimensions of the confusion matrix: which are the "actuals" and which are the "predictions"?]

Ineed this asap miguel's boss asks him to distribute information to the entire staff about a mandatory meeting. in 1–2 sentences, describe what miguel should do.

Asupermarket has been experiencing long lines during peak periods of the day. the problem is noticeably worse on certain days of the week, and the peak periods are sometimes different according to the day of the week. there are usually enough workers on the job to open all cash registers. the problem is knowing when to call some of the workers stocking shelves up to the front to work the checkout counters. how might decision models the supermarket? what data would be needed to develop these models?

How are credit unions similar to banks