18. Records from a dairy farm yielded the following information on the number of male and female calves born
at various times of the day.
What is the probability that a randomly selected calf was born in the night or was a female?
a.
369
513
b.
485
513
c.
116
513
d.
116
252
e.
116
233

Titus works at a hotel. part of his job is to keep the complimentary pitcher of water at least half full and always with ice. when he starts his shift, the water level shows 4 gallons, or 128 cups of water. as the shift progresses, he records the level of the water every 10 minutes. after 2 hours, he uses a regression calculator to compute an equation for the decrease in water. his equation is w –0.414t + 129.549, where t is the number of minutes and w is the level of water. according to the equation, after about how many minutes would the water level be less than or equal to 64 cups?