Ellen has music practice three days a week. She practices fo…

Ellen has music practice three days a week. She practices for all of the three days 85% of the time, two days 8% of the time, one day 4% of the time, and no days 3% of the time. One week is selected at random. Complete the probability distribution table for the data and answer the following questions. (Enter exact answers.) X P(x) 0 [answer1] 1 [answer2] 2 [answer3] 3 [answer4]   Find the probability that Ellen practices at least two days a week.

  Your breathing rate is 12 breaths/minute; your tidal volum…

  Your breathing rate is 12 breaths/minute; your tidal volume is 500 mL; your vital capacity is 4700 mL; and your dead air space is 150 mL.  If you went snorkeling you would need to increase your breathing rate to maintain the alveolar ventilation rate.  This is because of the increase of