A study has shown that the daily amount of milk produced by a dairy cow a day is normally distributed with a mean of 6.2 gallons and a standard deviation of 0.7 gallons. On a given day 99.7% of the cows will produce an amount of milk in which of the following ranges? A.) 5.5 gallons to 6.9 gallons
B.) 4.8 gallons to 7.6 gallons
C.) 4.1 gallons to 8.3 gallons
D.) 3.4 gallons to 9.0 gallons

The focus of parabola is (-4, -5), and its directrix is y= -1. fill in the missing terms and signs in parabolas equation in standard form

Math each whole number with a rational,exponential expression

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?