The length of a phone conversation is normally distributed with a mean of 4 minutes and a standard deviation of 0.6 minutes. what is the probability that a conversation lasts longer than 5 minutes

Click on the graphic until you find the right quotient. (36xa - 30xb) ÷ (-6x2)

With these: 18/36 = 1/? missing number change 1 5/8 to improper fraction. change 19/5 to a mixed number.

Peter applied to an accounting firm and a consulting firm. he knows that 30% of similarly qualified applicants receive job offers from the accounting firm, while only 20% of similarly qualified applicants receive job offers from the consulting firm. assume that receiving an offer from one firm is independent of receiving an offer from the other. what is the probability that both firms offer peter a job?