A different size rectangular box to part (i) has height 15 cm . The box will also contain 12 cylindrical tins, which are all just touching each other and the sides of the box. The layout of the 12 tins within this box will be the same as in part (i). Each tin is 15 cm high, and with radius \( p \mathrm{~cm} \). Show that the proportion of the volume in the box that is NOT occupied by the tins is \( \frac{(4-\pi)}{4} \).

What parameter do the students want to estimate with a \( 90 \% \) confidence interval? the mean number of months students dated before becoming engaged for all married students at this university \( 95 \% \) of the number of months students dated before becoming engaged for all married students at this university the level of confidence the mean number of months students dated before becoming engaged for the sample of 121 married students at this university

2. The school coach decides to have each student throw 2 table tennis balls instead of one. Explain how this will affect the number of packs needed.

\( \frac{(18.15)}{\text { 3) Bart ran } 28 \frac{1}{3} \text { minules in } 2 \frac{1}{2} \text { miles }} \)

5. By how much is six thousand and eighteen greater than four thousand e hundred? A. 1218 B. 2218 C. 2818

6) Choose the correct answer. Mr. Hall wants to buy a new car. The credit union at work will lend him \( \$ 15,000 \) to be paid back in 36 monthly installments. Before Mr. Hall goes shopping for a new car, what other in- formation does he need to know to budget his monthly payment?