Use the events from the table for questions \( 6-7 \) 6. Explain which event is least likely to occur. 7. Explain which event is most likely to occur.

a. The mean number of radioactive atoms that decay per day is 72.545 . (Round to three decimal places as needed.) b. The probability that on a given day, 51 radioactive atoms decayed, is (Round to six decimal places as needed.)

While making pastries, a bakery used \( 15 / 10 \) bags of wheat flour and 7 bags of white flour. How many bags of flour did the bakery use in all? Write your answer as a fraction or as a whole or mixed number.

8 de \( 55= \) 8 de \( 72= \) 6 de \( 24= \) 6 de \( 36= \) 8 de \( 72= \)

\( x+1 ; x^{3}+3 x^{2}+x+k\left[\right. \) Hint: Let \( f(x)=x^{3}+3 x^{2}+x+k \)

4. Which of the following is NOT a guideline for good sleep? Sleep in a room that is cooler than normal. Participate in a vigorous activity an hour before bedtime. Avoid hard-to-digest foods late in the day, as well as fatty and spic Avoid too much liquid before bedtime.